Phosphate minerals
Encyclopedia
Phosphate minerals are those mineral
Mineral
A mineral is a naturally occurring solid chemical substance formed through biogeochemical processes, having characteristic chemical composition, highly ordered atomic structure, and specific physical properties. By comparison, a rock is an aggregate of minerals and/or mineraloids and does not...

s that contain the tetrahedrally coordinated phosphate
Phosphate
A phosphate, an inorganic chemical, is a salt of phosphoric acid. In organic chemistry, a phosphate, or organophosphate, is an ester of phosphoric acid. Organic phosphates are important in biochemistry and biogeochemistry or ecology. Inorganic phosphates are mined to obtain phosphorus for use in...

 (PO43-) anion along with the freely substituting arsenate
Arsenate
The arsenate ion is AsO43−.An arsenate is any compound that contains this ion. Arsenates are salts or esters of arsenic acid.The arsenic atom in arsenate has a valency of 5 and is also known as pentavalent arsenic or As[V]....

 (AsO43-) and vanadate
Vanadate
In chemistry, a vanadate is a compound containing an oxoanion of vanadium generally in its highest oxidation state of +5. The simplest vanadate ion is the tetrahedral, orthovanadate, VO43− anion, which is present in e.g. sodium orthovanadate and in solutions of V2O5 in strong base...

 (VO43-). Chlorine
Chlorine
Chlorine is the chemical element with atomic number 17 and symbol Cl. It is the second lightest halogen, found in the periodic table in group 17. The element forms diatomic molecules under standard conditions, called dichlorine...

 (Cl-), fluorine
Fluorine
Fluorine is the chemical element with atomic number 9, represented by the symbol F. It is the lightest element of the halogen column of the periodic table and has a single stable isotope, fluorine-19. At standard pressure and temperature, fluorine is a pale yellow gas composed of diatomic...

 (F-), and hydroxide
Hydroxide
Hydroxide is a diatomic anion with chemical formula OH−. It consists of an oxygen and a hydrogen atom held together by a covalent bond, and carrying a negative electric charge. It is an important but usually minor constituent of water. It functions as a base, as a ligand, a nucleophile, and a...

 (OH-) anions also fit into the crystal structure.

The phosphate class of minerals is a large and diverse group, however, only a few species are relatively common.

Examples

Phosphate minerals include:
  • triphylite Li(Fe,Mn)PO4
  • monazite
    Monazite
    Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. There are actually at least four different kinds of monazite, depending on relative elemental composition of the mineral:...

     (Ce,La,Y,Th)PO4
  • hinsdalite PbAl3(PO4)(SO4)(OH)6
  • pyromorphite
    Pyromorphite
    Pyromorphite is a mineral species composed of lead chlorophosphate: Pb53Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the form of a hexagonal prism terminated by the basal planes, sometimes combined with narrow faces of a hexagonal...

     Pb5(PO4)3Cl
  • vanadinite
    Vanadinite
    Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb53Cl. It is one of the main industrial ores of the metal vanadium and a minor source of lead. A dense, brittle mineral, it is usually found in the form of red hexagonal crystals. It is an uncommon...

     Pb5(VO4)3Cl
  • erythrite Co3(AsO4)2·8H2O
  • amblygonite
    Amblygonite
    Amblygonite is a fluorophosphate mineral, AlPO4, composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide. The mineral occurs in pegmatite deposits and is easily mistaken for albite and other feldspars. Its density, cleavage and flame test for lithium are diagnostic. Amblygonite...

     LiAlPO4F
  • lazulite
    Lazulite
    Lazulite is a blue, phosphate-based mineral containing magnesium, iron, and aluminium phosphate. Lazulite forms one endmember of a solid solution series with the darker iron rich scorzalite....

     (Mg,Fe)Al2(PO4)2(OH)2
  • wavellite
    Wavellite
    Wavellite is a phosphate mineral with formula Al323·5H2O.It normally occurs as translucent green radial or spherical clusters.-Discovery and occurrence:...

     Al3(PO4)2(OH)3·5H2O
  • turquoise
    Turquoise
    Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl648·4. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue...

     CuAl6(PO4)4(OH)8·5H2O
  • autunite
    Autunite
    Autunite with formula: Ca22·10-12H2O is a yellow - greenish fluorescent mineral with a hardness of 2 - 2½. Autunite crystallizes in the tetragonal system and often occurs as tabular square crystals. Due to the moderate uranium content of 48.27% it is radioactive and also used as uranium ore...

     Ca(UO2)2(PO4)2·10-12H2O
  • carnotite
    Carnotite
    Carnotite is a potassium uranium vanadate radioactive mineral with chemical formula: K222·3H2O. The water content can vary and small amounts of calcium, barium, magnesium, iron, and sodium are often present.-Occurrence:...

     K2(UO2)2(VO4)2·3H2O
  • phosphophyllite
    Phosphophyllite
    Phosphophyllite is a rare mineral composed of hydrated zinc phosphate. Its name derives from its chemical composition and the Greek word for "leaf", phyllon, a reference to its cleavage. It is highly prized by collectors for its rarity and for its delicate bluish green colour...

     Zn2(Fe,Mn)(PO4)2•4H2O
  • struvite
    Struvite
    Struvite is a phosphate mineral with formula: NH4MgPO4·6H2O. Struvite crystallizes in the orthorhombic system as white to yellowish or brownish-white pyramidal crystals or in platey mica-like forms. It is a soft mineral with Mohs hardness of 1.5 to 2 and has a low specific gravity of 1.7...

     (NH4)MgPO4·6H2O
  • Apatite
    Apatite
    Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite, chlorapatite and bromapatite, named for high concentrations of OH−, F−, Cl− or Br− ions, respectively, in the crystal...

     group Ca5(PO4)3(F,Cl,OH)
    • hydroxylapatite
      Hydroxylapatite
      Hydroxylapatite, also called hydroxyapatite , is a naturally occurring mineral form of calcium apatite with the formula Ca53, but is usually written Ca1062 to denote that the crystal unit cell comprises two entities. Hydroxylapatite is the hydroxyl endmember of the complex apatite group...

       Ca5(PO4)3OH
    • fluorapatite
      Fluorapatite
      Fluorapatite, often with the alternate spelling of fluoroapatite, is a mineral with the formula Ca53F . Fluorapatite is a hard crystalline solid. Although samples can have various color , the pure mineral is colorless as expected for a material lacking transition metals...

       Ca5(PO4)3F
    • chlorapatite Ca5(PO4)3Cl
    • bromapatite
  • Mitridatite group:
    • Arseniosiderite
      Arseniosiderite
      Arseniosiderite is a rare arsenate mineral formed by the oxidation of other arsenic-containing minerals, such as scorodite or arsenopyrite. It occurs in association with beudantite, carminite, dussertite, pharmacolite, pitticite, adamite and erythrite. The name arseniosiderite reflects two major...

      -mitridatite series (Ca2(Fe3+)3[(O)2|(AsO4)3]·3H2O -- Ca2(Fe3+)3[(O)2|(PO4)3]·3H2O)
    • Arseniosiderite-robertsite
      Robertsite
      Robertsite, Ca34[3| 2]2·3 , is a secondary phosphate mineral named for Willard Lincoln Roberts , mineralogist and professor at South Dakota School of Mines in Rapid City, South Dakota.The type locality for Robertsite is the Tip Top mine, Custer County, South Dakota, USA...

       series (Ca2(Fe3+)3[(O)2|(AsO4)3]·3H2O -- Ca3(Mn3+)4[(OH)3|(PO4)2]2·3H2O)

Applications

Phosphate rock is a general term that refers to rock with high concentration of phosphate minerals, most commonly of the apatite
Apatite
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite, chlorapatite and bromapatite, named for high concentrations of OH−, F−, Cl− or Br− ions, respectively, in the crystal...

 group. It is the major resource mined to produce phosphate fertilisers for the agriculture sector. Phosphate is also used in animal feed supplements, food preservatives, anti-corrosion agents, cosmetics, fungicides, ceramics, water treatment and metallurgy.

The largest use of minerals mined for their phosphate
Phosphate
A phosphate, an inorganic chemical, is a salt of phosphoric acid. In organic chemistry, a phosphate, or organophosphate, is an ester of phosphoric acid. Organic phosphates are important in biochemistry and biogeochemistry or ecology. Inorganic phosphates are mined to obtain phosphorus for use in...

 content is the production of fertilizer
Fertilizer
Fertilizer is any organic or inorganic material of natural or synthetic origin that is added to a soil to supply one or more plant nutrients essential to the growth of plants. A recent assessment found that about 40 to 60% of crop yields are attributable to commercial fertilizer use...

.

Phosphate minerals are often used for control of rust and prevention of corrosion on ferrous materials applied with electrochemical conversion coatings.

Nickel–Strunz Classification -08- Phosphates

IMA
International Mineralogical Association
The International Mineralogical Association is an international group of 38 national societies. The goal is to promote the science of mineralogy and to standardize the nomenclature of the 4000 plus known mineral species...

-CNMNC proposes a new hierarchical scheme (Mills et al., 2009). This list uses it to modify the Classification of Nickel–Strunz
Strunz classification
Nickel–Strunz classification is a scheme for categorizing minerals based upon their chemical composition, introduced by German mineralogist Karl Hugo Strunz in his 1941 Mineralogische Tabellen. The 4th edition was edited by Christel Tennyson too . It was followed by A.S...

 (10 ed, pending publication).
  • Abbreviations:
    • "*" - discredited (IMA/CNMNC status).
    • "?" - questionable/doubtful (IMA/CNMNC status).
    • "REE" - Rare-earth element
      Rare earth element
      As defined by IUPAC, rare earth elements or rare earth metals are a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium...

       (Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
    • "PGE" - Platinum-group element
      Platinum group
      The platinum group metals is a term used sometimes to collectively refer to six metallic elements clustered together in the periodic table.These elements are all transition metals, lying in the d-block .The six...

       (Ru, Rh, Pd, Os, Ir, Pt)
    • 03.C Aluminofluorides, 06 Borates, 08 Vanadates (04.H V[5,6] Vanadates), 09 Silicates:
      • Neso: insular (from Greek
        Greek language
        Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

         νησος nēsos, island)
      • Soro: grouping (from Greek σωροῦ sōros, heap, mound (especially of corn))
      • Cyclo: ring
      • Ino: chain (from Greek ις [genitive: ινος inos], fibre)
      • Phyllo: sheet (from Greek φύλλον phyllon, leaf)
      • Tekto: three-dimensional framework
  • Nickel–Strunz code scheme: NN.XY.##x
    • NN: Nickel–Strunz mineral class number
    • X: Nickel–Strunz mineral division letter
    • Y: Nickel–Strunz mineral family letter
    • ##x: Nickel–Strunz mineral/group number, x add-on letter

Class: phosphates

  • 08.A Phosphates, etc. without additional anions, without H2O
    • 08.AA With small cations (some also with larger ones): 05 Berlinite
      Berlinite
      Berlinite is a rare phosphate mineral. It has the same crystal structure as quartz with a low temperature polytype isostructural with α–quartz and a high temperature polytype isostructural with β–quartz...

      , 05 Rodolicoite; 10 Beryllonite
      Beryllonite
      Beryllonite is a rare sodium beryllium phosphate mineral with formula NaBePO4. The tabular to prismatic monoclinic crystals vary from colorless to white or pale yellowish, and are transparent with a vitreous lustre. Twinning is common and occurs in several forms. It exhibits perfect cleavage in one...

      , 15 Hurlbutite, 20 Lithiophosphate, 25 Nalipoite, 30 Olympite
    • 08.AB With medium-sized cations: 05 Farringtonite; 10 Ferrisicklerite, 10 Heterosite, 10 Natrophilite
      Natrophilite
      Natrophilite is a mineral with the chemical formula NaMnPO4. In a pure form it has a yellow coloration. Its crystals are orthorhombic to dipyramidal. It is transparent to translucent. It is not radioactive. Natrophilite is rated 4.5 to 5 on the Mohs Scale....

      , 10 Lithiophilite
      Lithiophilite
      Lithiophilite is a mineral containing the element lithium. It is lithium manganese phosphate with formula: LiMnPO4. It occurs in pegmatites often associated with triphylite, the iron end member in a solid solution series...

      , 10 Purpurite
      Purpurite
      Purpurite is a mineral, basically manganese phosphate, MnPO4 although with varying amounts of iron depending upon the source of the mineral. It is a striking pink purple color as might be expected of a manganese containing mineral....

      , 10 Sicklerite, 10 Simferite, 10 Triphylite; 15 Chopinite, 15 Sarcopside; 20 Beusite, 20 Graftonite
      Graftonite
      Graftonite is an iron, manganese, calcium phosphate mineral with formula: 32. It forms lamellar to granular translucent brown to red-brown to pink monoclinic prismatic crystals...

    • 08.AC With medium-sized and large cations: 10 IMA2008-054, 10 Alluaudite
      Alluaudite
      Alluaudite is a relatively common alkaline manganese iron phosphate mineral with formula Mn2+23, of secondary origin, related with granitic pegmatites mainly....

      , 10 Hagendorfite
      Hagendorfite
      Hagendorfite is an iron phosphate mineral with the chemical formula of MnFe23 and is named after where the mineral was discovered, Hagendorf-Süd, Bavaria, Germany....

      , 10 Ferroalluaudite, 10 Maghagendorfite, 10 Varulite, 10 Ferrohagendorfite*; 15 Bobfergusonite, 15 Ferrowyllieite, 15 Qingheiite, 15 Rosemaryite, 15 Wyllieite, 15 Ferrorosemaryite; 20 Maricite
      Maricite
      Maricite is a sodium iron phosphate mineral , that has two metal cations connected to a phosphate tetrahedron. It is very structurally similar to the much more common mineral olivine, LiFePO4, because they both have a phosphate anion. The differences are that LiFePO4 has lithium instead of sodium...

      , 30 Brianite
      Brianite
      Brianite is a phosphate mineral with the chemical formula Na2CaMg2. It was first identified in an iron meteorite. This mineral is named after Brian Harold Mason, a pioneer in meteoritics....

      , 35 Vitusite-(Ce); 40 Olgite?, 40 Bario-olgite; 45 Ferromerrillite, 45 Bobdownsite, 45 Merrillite-(Ca)*, 45 Merrillite, 45 Merrillite-(Y)*, 45 Whitlockite
      Whitlockite
      Whitlockite is a mineral, an unusual form of calcium phosphate. Its formula is Ca96PO3OH. It is a relatively rare mineral but is found in granitic pegmatites, phosphate rock deposits, guano caves and in chondrite meteorites...

      , 45 Tuite, 45 Strontiowhitlockite; 50 Stornesite-(Y), 50 Xenophyllite, 50 Fillowite, 50 Chladniite, 50 Johnsomervilleite, 50 Galileiite; 55 Harrisonite, 60 Kosnarite, 65 Panethite
      Panethite
      Panethite 222 is a rare phosphate mineral that was only found in one meteorite on Earth. It was originally found in the Dayton meteorite in Ohio. It is classified as H-M Symbol with space group of P 21/n. It is amber in color...

      , 70 Stanfieldite, 90 IMA2008-064
    • 08.AD With only large cations: 05 Nahpoite, 10 Monetite, 15 Archerite
      Archerite
      Archerite is a phosphate mineral with chemical formula H2PO4. It occurs in guano containing caves as wall encrustations and stalactites....

      , 15 Biphosphammite; 20 Phosphammite, 25 Buchwaldite; 35 Pretulite, 35 Xenotime
      Xenotime
      Xenotime is a rare earth phosphate mineral, whose major component is yttrium orthophosphate . It forms a solid solution series with chernovite- and therefore may contain trace impurities of arsenic, as well as silicon dioxide and calcium...

      -(Y), 35 Xenotime-(Yb); 45 Ximengite, 50 Monazite
      Monazite
      Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. There are actually at least four different kinds of monazite, depending on relative elemental composition of the mineral:...

      -(Ce), 50 Monazite-(La), 50 Monazite-(Nd), 50 Monazite-(Sm), 50 Brabantite?
  • 08.B Phosphates, etc. with Additional Anions, without H2O
    • 08.BA With small and medium-sized cations: 05 Vayrynenite; 10 Hydroxylherderite, 10 Herderite
      Herderite
      Herderite is a mineral belonging to the apatite, phosphate group, with formula CaBe. It forms monoclinic crystals, often twinned and variable in colour from colourless through yellow, green or purple....

      ; 15 Babefphite
      Babefphite
      Babefphite is a rare phosphate mineral with the general formula BaBe. The name is given for its composition .-Crystallography:...

    • 08.BB With only medium-sized cations, (OH, etc.):RO4 £ 1:1: 05 Amblygonite
      Amblygonite
      Amblygonite is a fluorophosphate mineral, AlPO4, composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide. The mineral occurs in pegmatite deposits and is easily mistaken for albite and other feldspars. Its density, cleavage and flame test for lithium are diagnostic. Amblygonite...

      , 05 Natromontebrasite?, 05 Montebrasite?, 05 Tavorite; 10 Zwieselite, 10 Triplite
      Triplite
      Triplite is a rare phosphate mineral with formula: . It occurs in phosphate-rich granitic pegmatites typically as irregular brown opaque masses. Triplite was first described in 1813 for an occurrence in Chanteloube, Limousin, France. The name is from the Greek triplos for triple, in reference to...

      , 10 Magniotriplite?, 10 Hydroxylwagnerite; 15 Joosteite, 15 Stanekite, 15 Triploidite
      Triploidite
      Triploidite is an uncommon manganese iron phosphate mineral with formula: . It crystallizes in the monoclinic crystal system and typically occurs as elongated and striated slender prisms which may be columnar to fibrous...

      , 15 Wolfeite, 15 Wagnerite
      Wagnerite
      Wagnerite is a mineral, a combined phosphate and fluoride of iron and magnesium, with the formula 2PO4F. It occurs in pegmatite associated with other phosphate minerals. It is named after F.M. von Wagner , a German mining official....

      ; 20 Satterlyite, 20 Holtedahlite; 25 Althausite
      Althausite
      Althausite is a relatively simple magnesium phosphate mineral with formula Mg2. It is very rare. Original occurrence are magnesite deposits among serpentinites....

      ; 30 Libethenite
      Libethenite
      Libethenite is a rare copper phosphate hydroxide mineral. It forms striking, dark green orthorhombic crystals. It was discovered in 1823 in Ľubietová, Slovakia and is named after the German name of that locality .-References:...

      , 30 Zincolibethenite; 35 Tarbuttite; 40 Barbosalite, 40 Hentschelite, 40 Scorzalite
      Scorzalite
      Scorzalite is a dark blue phosphate mineral containing iron, magnesium, and aluminium phosphate. Scorzalite forms one endmember of a solid solution series with the lighter, more magnesium-rich lazulite....

      , 40 Lazulite
      Lazulite
      Lazulite is a blue, phosphate-based mineral containing magnesium, iron, and aluminium phosphate. Lazulite forms one endmember of a solid solution series with the darker iron rich scorzalite....

      ; 45 Trolleite, 55 Phosphoellenbergerite; 90 Zinclipscombite
      Zinclipscombite
      Zinclipscombite Zn222 is a dark green to brown, phosphate-based mineral containing zinc and iron phosphate.In the classification of minerals zinclipscombite is in the Lipscombite Group, which also also includes lipscombite....

      , 90 Lipscombite
      Lipscombite
      Lipscombite 222 is a green gray, olive green, or black. phosphate-based mineral containing iron, magnesium, and iron phosphate....

      , 90 Richellite
    • 08.BC With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1: 10 Plimerite, 10 Frondelite, 10 Rockbridgeite
    • 08.BD With only medium-sized cations, (OH, etc.):RO4 = 2:1: 05 Pseudomalachite
      Pseudomalachite
      Pseudomalachite is a phosphate of copper with hydroxyl, named from the Greek for “false” and “malachite”, because of its similarity in appearance to the carbonate mineral malachite, Cu22. Both are green coloured secondary minerals found in oxidised zones of copper deposits, often associated with...

      , 05 Reichenbachite, 10 Gatehouseite, 25 Ludjibaite
    • 08.BE With only medium-sized cations, (OH, etc.):RO4 > 2:1: 05 Augelite
      Augelite
      Augelite is an aluminium phosphate mineral with formula: Al23. The shade varies from colorless to white, yellow or rose. Its crystal system is monoclinic....

      , 10 Grattarolaite, 15 Cornetite, 30 Raadeite, 85 Waterhouseite
    • 08.BF With medium-sized and large cations, (OH, etc.):RO4 < 0.5:1: 05 Arrojadite, 05 Arrojadite-(BaFe), 05 Arrojadite-(KFe), 05 Arrojadite-(NaFe), 05 Arrojadite-(SrFe), 05 Arrojadite-(KNa), 05 Arrojadite-(PbFe), 05 Arrojadite-(BaNa), 05 Fluorarrojadite-(BaNa), 05 Fluorarrojadite-(KNa), 05 Fluorarrojadite-(BaFe), 05 Ferri-arrojadite-(BaNa), 05 Dickinsonite, 05 Dickinsonite-(KNa), 05 Dickinsonite-(KMnNa), 05 Dickinsonite-(KNaNa), 05 Dickinsonite-(NaNa); 10 Samuelsonite
      Samuelsonite
      Samuelsonite is a complex mineral that is found near North Groton, Grafton County, New Hampshire, USA. Additionally, it is most commonly found as a secondary mineral in granite pegmatite. Samuelsonite is named after Peter B. Samuelson, a prospector from Rumney, New Hampshire.The mineral has a pale...

      , 15 Griphite, 20 Nabiasite
    • 08.BG With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1: 05 Bearthite, 05 Goedkenite, 05 Tsumebite
      Tsumebite
      Tsumebite is a rare phosphate mineral named in 1912 after the locality where it was first found, the Tsumeb mine in Namibia, well known to mineral collectors for the wide range of minerals found there. Tsumebite is a compound phosphate and sulfate of lead and copper, with hydroxyl, formula Pb2Cu...

      ; 10 Melonjosephite, 15 Tancoite
    • 08.BH With medium-sized and large cations, (OH,etc.):RO4 = 1:1: 05 Thadeuite; 10 Lacroixite, 10 Isokite, 10 Panasqueiraite; 15 Drugmanite; 20 Bjarebyite, 20 Kulanite, 20 Penikisite, 20 Perloffite, 20 Johntomaite; 25 Bertossaite, 25 Palermoite; 55 Jagowerite, 60 Attakolite
    • 08.BK With medium-sized and large cations, (OH, etc.): 05 Brazilianite
      Brazilianite
      Brazilianite, whose name derives from its country of origin, Brazil, is a typically yellow-green phosphate mineral, most commonly found in phosphate-rich pegmatites...

      , 15 Curetonite, 25 Lulzacite
      Lulzacite
      Lulzacite is a strontium-containing phosphate mineral with the chemical formula Sr2Fe2+2Al4410.The mineral was first described in 2000 from quartzite deposits at Saint-Aubin-des-Châteaux, Loire-Atlantique, France, and is named after Y. Lulzac, a French geologist who discovered the mineral...

    • 08.BL With medium-sized and large cations, (OH, etc.):RO4 = 3:1: 05 Corkite
      Corkite
      Corkite is a phosphate mineral in the beudantite subgroup of the alunite group. Corkite is the phosphate analogue of beudantite and with it, a complete solid solution range exists. Corkite will also form a solid solution with kintoreite....

      , 05 Hinsdalite, 05 Orpheite, 05 Woodhouseite
      Woodhouseite
      Woodhouseite belongs to the beudantite group AB36 where A = Ba, Ca, Pb or Sr, B = Al or Fe and X = S, As or P. Minerals in this group are isostructural with each other and also with minerals in the crandallite and alunite groups...

      , 05 Svanbergite
      Svanbergite
      Svanbergite is a colorless, yellow or reddish mineral with the chemical formula SrAl36. It has rhombohedral crystals.It was first described for an occurrence in Varmland, Sweden in 1854 and named for Swedish chemist Lars Fredrik Svanberg .It occurs in high aluminium medium-grade metamorphic rocks;...

      ; 10 Kintoreite, 10 Benauite, 10 Crandallite, 10 Goyazite, 10 Springcreekite, 10 Gorceixite; 10 Lusungite?, 10 Plumbogummite
      Plumbogummite
      Plumbogummite is a rare secondary lead phosphate mineral, belonging to the alunite supergroup of minerals, crandallite subgroup. Some other members of this subgroup are:*Crandallite, CaAl325·H2O, where calcium replaces lead...

      , 10 Ferrazite?; 13 Eylettersite, 13 Florencite-(Ce), 13 Florencite-(La), 13 Florencite-(Nd), 13 Waylandite, 13 Zairite
      Zairite
      Zairite is a phosphate mineral with the chemical formula Bi3[6|2]. The name was given from where it was locally discovered in Eta-Etu, Kivu, Congo in 1975.-Properties:...

      ; 15 Viitaniemiite, 20 Kuksite, 25 Pattersonite
    • 08.BM With medium-sized and large cations, (OH, etc.):RO4 = 4:1: 10 Paulkellerite, 15 Brendelite
    • 08.BN With only large cations, (OH, etc.):RO4 = 0.33:1: 05 IMA2008-068, 05 Phosphohedyphane, 05 IMA2008-009, 05 Alforsite
      Alforsite
      Alforsite is a barium phosphate chloride mineral with formula: Ba53Cl. It was discovered in 1981, and named to honor geologist John T. Alfors of the California Geological Survey for his work in the area where it was discovered....

      , 05 Apatite
      Apatite
      Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite, chlorapatite and bromapatite, named for high concentrations of OH−, F−, Cl− or Br− ions, respectively, in the crystal...

      *, 05 Apatite-(CaOH), 05 Apatite-(CaCl), 05 Apatite-(CaF), 05 Apatite-(SrOH), 05 Apatite-(CaOH)-M, Carbonate-fluorapatite?, 05 Carbonate-hydroxylapatite?, 05 Belovite-(Ce), 05 Belovite-(La), 05 Fluorcaphite
      Fluorcaphite
      Fluorcaphite is a mineral with the chemical formula 53F. It is found in the Kola Peninsula in Russia. Its crystals are hexagonal to pyramidal. It is light to bright yellow and leaves a white streak. It is transparent and has a vitreous luster. It is rated 5 on the Mohs Scale. Fluorcaphite is...

      , 05 Pyromorphite
      Pyromorphite
      Pyromorphite is a mineral species composed of lead chlorophosphate: Pb53Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the form of a hexagonal prism terminated by the basal planes, sometimes combined with narrow faces of a hexagonal...

      , 05 Hydroxylpyromorphite, 05 Deloneite-(Ce), 05 Kuannersuite-(Ce), 10 Arctite
      Arctite
      Arctite is a colourless mineral found in the Kola Peninsula northern Russia. It's Mohs hardness is 5 and has a density of 3.11-3.13. Arctite is transparent with a vitreous lustre. Arctite has a perfect cleavage and a trigonal crystal system....

    • 08.BO With only large cations, (OH, etc.):RO4 1:1: 05 Nacaphite, 10 Petitjeanite, 15 Smrkovecite, 25 Heneuite, 30 Nefedovite, 40 Artsmithite
  • 08.C Phosphates without Additional Anions, with H2O
    • 08.CA With small and large/medium cations: 05 Fransoletite, 05 Parafransoletite; 10 Ehrleite, 15 Faheyite; 20 Gainesite, 20 Mccrillisite, 20 Selwynite; 25 Pahasapaite, 30 Hopeite
      Hopeite
      Hopeite is a hydrated zinc phosphate with formula: Zn32·4H2O. It is a rare mineral used mainly as a collectors specimen.Hopeite crystallizes in the orthorhombic system with prismatic, vitreous white to yellow crystals...

      , 40 Phosphophyllite
      Phosphophyllite
      Phosphophyllite is a rare mineral composed of hydrated zinc phosphate. Its name derives from its chemical composition and the Greek word for "leaf", phyllon, a reference to its cleavage. It is highly prized by collectors for its rarity and for its delicate bluish green colour...

      ; 45 Parascholzite, 45 Scholzite; 65 Gengenbachite, 70 Parahopeite
    • 08.CB With only medium-sized cations, RO4:H2O = 1:1: 05 Serrabrancaite, 10 Hureaulite
      Hureaulite
      Hureaulite is a manganese phosphate with the formula Mn2+522·4H2O. It was discovered in 1825 and named in 1826 for the type locality, Les Hureaux, Saint-Sylvestre, Haute-Vienne, Limousin, France...

    • 08.CC With only medium-sized cations, RO4:H2O = 1:1.5: 05 Garyansellite, 05 Kryzhanovskite, 05 Landesite, 05 Phosphoferrite, 05 Reddingite
    • 08.CD With only medium-sized cations, RO4:H2O = 1:2: 05 Kolbeckite, 05 Metavariscite, 05 Phosphosiderite; 10 Strengite, 10 Variscite
      Variscite
      Variscite is a hydrated aluminium phosphate mineral |H2O]]). It is a relatively rare phosphate mineral. It is sometimes confused with turquoise; however, variscite is usually greener in color....

      ; 20 Ludlamite
      Ludlamite
      Ludlamite is a rare phosphate mineral: 32·4H2O. It was discovered by Henry Ludlam in the late nineteenth century in Cornwall, England.-References:* * * *...

    • 08.CE With only medium-sized cations, RO4:H2O £ 1:2.5: 10 Newberyite, 20 Phosphorrosslerite; 25 Metaswitzerite, 25 Switzerite
      Switzerite
      Switzerite is a mineral with the chemical formula of 32·7H2O. Leavens, Peter B., White, John S. Jr., and Zanazzi, Pier F. Switzerite redefined as, Mn32·7H2O, and metaswitzerite, Mn32·4H2O. American Mineralogist, 71, 1221-1223. The mineral was named after George Switzer, former Curator of Minerals...

      ; 35 Bobierrite; 40 Arupite, 40 Baricite, 40 Vivianite, 40 Pakhomovskyite; 50 Cattiite, 55 Koninckite; 75 IMA2008-046, 75 Malhmoodite; 80 Santabarbaraite
      Santabarbaraite
      Santabarbaraite is an amorphous ferric hydroxy phosphate mineral hydrate that was discovered in Tuscany, Italy in 2000. It also can be found in Victoria, Australia and Lake Baikal, Siberia. This phosphate mineral has a simplified formula Fe3+323·5H2O, which is the same formula of another...

      , 85 Metavivianite
    • 08.CF With large and medium-sized cations, RO4:H2O > 1:1: 05 Tassieite, 05 Wicksite, 05 Bederite; 10 Haigerachite
    • 08.CG With large and medium-sized cations, RO4:H2O = 1:1: 05 Collinsite, 05 Cassidyite, 05 Fairfieldite, 05 Messelite, 05 Hillite, (05 Uranophane-beta but Uranophane
      Uranophane
      Uranophane Ca22·5H2O is a rare calcium uranium silicate hydrate mineral that forms from the oxidation of uranium bearing minerals. Uranophane is also known as uranotile. It has a yellow color and is radioactive....

       09.AK.15); 20 Phosphogartrellite
    • 08.CH With large and medium-sized cations, RO4:H2O < 1:1: 10 Anapaite
      Anapaite
      Anapaite is a calcium iron phosphate mineral, Ca2Fe2+4]2·4H2O. It is a mineral that typically occurs in cavities in fossil bearing sedimentary rocks. It is also found in phosphate bearing iron ores....

      , 20 Dittmarite, 20 Niahite, 25 Francoanellite, 25 Taranakite
      Taranakite
      Taranakite is a hydrated alkali iron-aluminium phosphate mineral with chemical formula 3526·18H2O. It forms from the reaction of clay minerals or aluminous rocks with solutions enriched in phosphate derived from bat or bird guano or, less commonly, from bones or other organic matter...

      , 30 Schertelite, 35 Hannayite, 40 Hazenite
      Hazenite
      Hazenite is a hydrous phosphate mineral with chemical formula of , therefore a hydrous alkali magnesium phosphate. It is a member of the struvite group....

      , 40 Struvite
      Struvite
      Struvite is a phosphate mineral with formula: NH4MgPO4·6H2O. Struvite crystallizes in the orthorhombic system as white to yellowish or brownish-white pyramidal crystals or in platey mica-like forms. It is a soft mineral with Mohs hardness of 1.5 to 2 and has a low specific gravity of 1.7...

      , 40 Struvite-(K), 45 Rimkorolgite, 50 Bakhchisaraitsevite, 55 IMA2008-048
    • 08.CJ With only large cations: 05 Stercorite
      Stercorite
      Stercorite is the mineral form of microcosmic salt. The name comes from the Latin "stercus", meaning dung, since the mineral was originally discovered among guano....

      , 10 Mundrabillaite, 10 Swaknoite, 15 Nastrophite, 15 Nabaphite, 45 Brockite, 45 Grayite, 45 Rhabdophane-(Ce), 45 Rhabdophane-(La), 45 Rhabdophane-(Nd), 45 Tristramite, 50 Brushite
      Brushite
      Brushite is a mineral with the chemical formula . It is believed to be a precursor of apatite and is found in guano-rich caves, formed by the interaction of guano with calcite and clay at a low pH. Brushite was first described in 1865 and named for the American mineralogist George Jarvis Brush...

      , 50 Churchite-(Dy)*, 50 Churchite-(Nd), 50 Churchite-(Y), 50 Ardealite, 60 Dorfmanite, 70 Catalanoite, 80 Ningyoite
  • 08.D Phosphates
    • 08.DA With small (and occasionally larger) cations: 05 Moraesite, 10 Footemineite, 10 Ruifrancoite, 10 Guimaraesite, 10 Roscherite, 10 Zanazziite
      Zanazziite
      Zanazziite is a mineral, a complex phosphate with the formula Ca24Be446·6H2O. Discovered in 1990 in Brazil, it is named after P. F. Zanazzi, Professor of Mineralogy, Perugia, Italy. Its color is pale to dark olive-green.-See also:...

      , 10 Atencioite, 10 Greifensteinite; 15 Uralolite, 20 Weinebeneite, 25 Tiptopite, 30 Veszelyite, 35 Kipushite, 40 Spencerite, 45 Glucine
    • 08.DB With only medium-sized cations, (OH, etc.):RO4 < 1:1: 05 Diadochite
      Diadochite
      Diadochite is a phospho-sulfate mineral. It is a secondary mineral formed by the weathering and hydration of other minerals. Its formula is Fe2OH·5H2O...

      , 10 Vashegyite, 15 Schoonerite, 20 Sinkankasite, 25 Mitryaevaite, 30 Sanjuanite, 50 Giniite, 55 Sasaite, 60 Mcauslanite, 65 Goldquarryite, 70 Birchite
    • 08.DC With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1: 05 Nissonite
      Nissonite
      Nissonite is a very rare copper phosphate mineral with formula: Cu2Mg222·5H2O. It crystallizes in the monoclinic crystal system typically as crusts, tabular crystals, and diamond-shaped crystals. The color is blue-green. It has a light green streak, a Mohs hardness of 2.5 and a specific gravity of...

      ; 15 Kunatite, 15 Earlshannonite, 15 Whitmoreite; 17 Kleemanite, 20 Bermanite, 207? Oxiberaunite*, 22 Kovdorskite; 25 Ferrostrunzite, 25 Ferristrunzite, 25 Metavauxite, 25 Strunzite; 27 Beraunite
      Beraunite
      Beraunite is an iron phosphate mineral. It was first described by August Breithaupt for an occurrence in Beraun currently in the Czech Republic. Beraunite occurs as a secondary mineral in iron ore deposits, and as an alteration product of primary phosphate minerals in granite pegmatites.Beraunite...

      ; 30 Gordonite, 30 Laueite, 30 Sigloite, 30 Paravauxite, 30 Ushkovite, 30 Ferrolaueite, 30 Mangangordonite, 30 Pseudolaueite, 30 Stewartite, 30 Kastningite, 35 Vauxite
      Vauxite
      Vauxite is a phosphate mineral with the chemical formula Fe2+Al222·6. It belongs to the laueite – paravauxite group, paravauxite subgroup, although Mindat puts it as a member of the vantasselite Al433·9H2O group...

      , 37 Vantasselite
      Vantasselite
      Vantasselite is a rare aluminium phosphate mineral with formula: Al433 •9H2O. It crystallizes in the orthorhombic system and has a white color, a hardness of 2 to 2.5, a white streak and a pearly luster....

      , 40 Cacoxenite
      Cacoxenite
      Cacoxenite is an iron aluminium phosphate mineral with formula: Fe3+24Al17O612·17. It is associated with iron ores. The name comes from the Greek κăκός for "bad" or "evil" and ξένος for "guest" because the phosphorus content of cacoxenite lessens the quality of iron smelted from ore containing...

      ; 45 Gormanite
      Gormanite
      Gormanite is a phosphate mineral with the formula 3Al446·2H2O. It was named after the University of Toronto professor Donald Herbert Gorman.- References :*...

      , 45 Souzalite; 47 Kingite; 50 Wavellite
      Wavellite
      Wavellite is a phosphate mineral with formula Al323·5H2O.It normally occurs as translucent green radial or spherical clusters.-Discovery and occurrence:...

      , 50 Allanpringite
      Allanpringite
      Allanpringite is a phosphate mineral named after Australian mineralogist Allan Pring. Allanpringite is a Fe3+ analogue Al-phosphate mineral wavellite, but it has a different crystal symmetry – monoclinic instead of orthorhombic in wavellite. It forms needle-like crystals, which are always twinned...

      , 52 Kribergite, 60 Nevadaite
    • 08.DD With only medium-sized cations, (OH, etc.):RO4 = 2:1: 15 Aheylite
      Aheylite
      Aheylite is a rare phosphate mineral with formula Al6[4|2]2·4. It occurs as pale blue to pale green triclinic crystal masses.-Name and discovery:...

      , 15 Chalcosiderite, 15 Faustite, 15 Planerite, 15 Turquoise
      Turquoise
      Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl648·4. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue...

      ; 20 Ernstite, 20 Childrenite
      Childrenite
      Childrenite is a rare hydrated phosphate mineral with elements iron, manganese, aluminium, phosphorus, oxygen and hydrogen. Its chemical formula is AlPO42 • H2O and it has a molecular weight of 229.83 g/mol. Its specific gravity is 3.2 and it has a Mohs hardness of 4.5 to 5. It is usually...

      , 20 Eosphorite
      Eosphorite
      Eosphorite is a pink manganese phosphate mineral with chemical formula: MnAl2·H2O.Eosphorite crystallizes in the monoclinic crystal system. It forms prismatic crystals which often form radiating or spherical clusters...

    • 08.DE With only medium-sized cations, (OH, etc.):RO4 = 3:1: 05 Senegalite, 10 Fluellite
      Fluellite
      Fluellite is a mineral with the chemical formula Al2F2•7H2O. The name is from its chemical composition, being a fluate of alumine ....

      , 20 Zapatalite, (35 Alumoakermanite, Mindat.org: 09.BB.10), 35 Aldermanite
      Aldermanite
      Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12822·32H2O....

    • 08.DF With only medium-sized cations, (OH,etc.):RO4 > 3:1: 05 Hotsonite-VII, 05 Hotsonite-VI; 10 Bolivarite, 10 Evansite, 10 Rosieresite, 25 Sieleckiite, 40 Gladiusite
    • 08.DG With large and medium-sized cations, (OH, etc.):RO4 < 0.5:1: 05 Sampleite
      Sampleite
      Sampleite has a general formula of NaCaCu54Cl•5. It was first described in 1942 for an occurrence in Chuquicamata, Chile and was named after Mat Sample, a mine superintendent for the Chile Exploration Company....

    • 08.DH With large and medium-sized cations, (OH, etc.):RO4 < 1:1: 05 Minyulite
      Minyulite
      Minyulite is a rare phosphate mineral with a chemical formula of KAl22·4.It occurs as groups of radiating fine fibrous crystals within rock cracks of phosphatic ironstone. Minyulite belongs to the orthorhombic crystal system. This indicates that it has three axes of unequal length yet all are...

      ; 10 Leucophosphite, 10 Spheniscidite, 10 Tinsleyite; 15 Kaluginite*, 15 Keckite, 15 Jahnsite-(CaMnFe), 15 Jahnsite-(CaMnMg), 15 Jahnsite-(CaMnMn), 15 Jahnsite-(MnMnMn)*, 15 Jahnsite-(CaFeFe), 15 Jahnsite-(NaFeMg), 15 Jahnsite-(CaMgMg), 15 Jahnsite-(NaMnMg), 15 Rittmannite, 15 Whiteite
      Whiteite
      Whiteite is a rare hydrated phosphate mineral, with hydroxyl- Whiteite Subgroup :The name whiteite refers to three minerals in the jahnsite-whiteite group, whiteite subgroup...

      -(MnFeMg), 15 Whiteite-(CaFeMg), 15 Whiteite-(CaMnMg); 20 Manganosegelerite, 20 Overite, 20 Segelerite
      Segelerite
      Segelerite is a complex phosphate mineral with formula CaMgFe3+OH2·H2O. It occurs in pegmatites and forms striking green or chartreuse crystals. It was discovered in 1974 in the Black Hills of South Dakota by an amateur mineralogist from New York, Curt G...

      , 20 Wilhelmvierlingite, 20 Juonniite; 25 Calcioferrite, 25 Kingsmountite, 25 Montgomeryite, 25 Zodacite; 30 Lunokite, 30 Pararobertsite, 30 Robertsite
      Robertsite
      Robertsite, Ca34[3| 2]2·3 , is a secondary phosphate mineral named for Willard Lincoln Roberts , mineralogist and professor at South Dakota School of Mines in Rapid City, South Dakota.The type locality for Robertsite is the Tip Top mine, Custer County, South Dakota, USA...

      , 30 Mitridatite; 35 Matveevite?, 35 Mantienneite, 35 Paulkerrite, 35 Benyacarite, 40 Xanthoxenite
      Xanthoxenite
      Xanthoxenite is a mineral found in Australia, Brazil, Portugal, Spain, Ukraine, and the United States. It was first described in 1920....

      , 55 Englishite
    • 08.DJ With large and medium-sized cations, (OH, etc.):RO4 = 1:l: 05 Johnwalkite, 05 Olmsteadite, 10 Gatumbaite, 20 Meurigite-Na, 20 Meurigite-K, 20 Phosphofibrite, 25 Jungite, 30 Wycheproofite, 35 Ercitite, 40 Mrazekite
    • 08.DK With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1: 15 Matioliite, 15 IMA2008-056, 15 Dufrenite, 15 Burangaite, 15 Natrodufrenite; 20 Kidwellite, 25 Bleasdaleite, 30 Matulaite, 35 Krasnovite
    • 08.DL With large and medium-sized cations, (OH, etc.):RO4 = 2:1: 05 Foggite; 10 Cyrilovite
      Cyrilovite
      Cyrilovite is a hydrous sodium iron phosphate mineral. It is isomorphous and isostructural with wardite, the sodium aluminium counterpart.Cyrilovite is found in granitic pegmatites...

      , 10 Millisite, 10 Wardite
      Wardite
      Wardite is a hydrous sodium aluminium phosphate hydroxide mineral with formula: NaAl324·2. Wardite is of interest for its rare crystallography. It crystallizes in the tetragonal trapezohedral class and is one of only a few minerals in that class. Wardite forms vitreous green to bluish green to...

      ; 15 Petersite-(Y), 15 Calciopetersite; 25 Angastonite
    • 08.DM With large and medium-sized cations, (OH, etc.):RO4 > 2:1: 05 Morinite, 15 Melkovite, 25 Gutsevichite?, 35 Delvauxite
      Delvauxite
      Delvauxite, also known as borickite, is a yellow to brown to dark brown amorphous mineral, sometimes forming a botryoidal mass. Its chemical formula is CaFe428•H2O. It may sometimes form stalactites....

    • 08.DN With only large cations: 05 Natrophosphate, 10 Isoclasite, 15 Lermontovite, 20 Vyacheslavite
    • 08.DO With CO3, SO4, SiO4: 05 Girvasite, 10 Voggite, 15 Peisleyite, 20 Perhamite
      Perhamite
      Perhamite is a phosphate mineral with the formula Ca3Al7343·16.5.It occurs in rare isolated masses in amblygonite-rich pegmatite deposits throughout the world. It was discovered in in platy sheed form of 1mm hexagonal crystals. It was first described in 1977 by P.J...

      , 25 Saryarkite-(Y), 30 Micheelsenite, 40 Parwanite, 45 Skorpionite
  • 08.E Uranyl Phosphates
    • 08.EA UO2:RO4 = 1:2: 05 Phosphowalpurgite, 10 Parsonsite, 15 Ulrichite
      Ulrichite
      Ulrichite is a rare green uranium phosphate mineral .It was first described in 1988 for an occurrence in Lake Boga, Victoria, Australia and named for G. H. F. Ulrich....

      , 20 Lakebogaite
    • 08.EB UO2:RO4 = 1:1: 05 Autunite
      Autunite
      Autunite with formula: Ca22·10-12H2O is a yellow - greenish fluorescent mineral with a hardness of 2 - 2½. Autunite crystallizes in the tetragonal system and often occurs as tabular square crystals. Due to the moderate uranium content of 48.27% it is radioactive and also used as uranium ore...

      , 05 Uranocircite, 05 Torbernite
      Torbernite
      The chemical formula of torbenite is similar to that of autunite in which a Cu2+ cation replaces a Ca2+. The number of water hydration molecules can vary between 12 and 8, giving rise to the variety of metatorbernite when torbernite spontaneously dehydrates...

      , 05 Xiangjiangite, 05 Saleeite
      Saleeite
      Saleeite is a secondary uranium mineral occurring in the oxidized zones of uranium deposits, or as disseminations in carnotite-bearing sandstones...

      ; 10 Bassetite, 10 Meta-autunite, 10 Metauranocircite, 10 Metatorbernite
      Metatorbernite
      Metatorbernite is a radioactive phosphate mineral, and is a dehydration pseudomorph of torbernite. Chemically, it is a copper uranyl phosphate and usually occurs in the form of green platy deposits...

      , 10 Lehnerite, 10 Przhevalskite; 15 Chernikovite, 15 Meta-ankoleite, 15 Uramphite; 20 Threadgoldite, 25 Uranospathite, 30 Vochtenite, 35 Coconinoite
      Coconinoite
      Coconinoite is a uranium ore that was discovered in Coconino County, Arizona. It is a phosphate mineral; or uranyal phosphate mineral along with other subclass uranium U6+ minerals like blatonite, boltwoodite, metazeunerite and rutherfordine.-Composition:...

      , 40 Ranunculite, 45 Triangulite, 50 Furongite, 55 Sabugalite
    • 08.EC UO2:RO4 = 3:2: 05 Francoisite-(Ce), 05 Francoisite-(Nd), 05 Phuralumite, 05 Upalite
      Upalite
      Upalite is a mineral found in the Democratic Republic of Congo.- References :**...

      ; 10 Kivuite?, 10 Yingjiangite, 10 Renardite, 10 Dewindtite, 10 Phosphuranylite
      Phosphuranylite
      Phosphuranylite is a uranyl phosphate mineral with formula KCa374O4·8.It was first described in 1879 by Frederick Augustus Genth, from an occurrence in the Flat Rock pegmatite in Mitchell County, North Carolina, USA....

      ; 15 Dumontite; 20 Metavanmeersscheite, 20 Vanmeersscheite; 25 Althupite
      Althupite
      Althupite is a rare aluminium thorium uranyl phosphate mineral with complex formula written as AlTh74O25·15H2O, from a granitic pegmatite....

      , 30 Mundite, 35 Phurcalite, 40 Bergenite
      Bergenite
      Bergenite is a rare uranyl phosphate of the more specific phosphuranylite group. The phosphuranylite-type sheet in bergenite is a new isomer of the group, with the uranyl phosphate tetrahedra varying in an up-up-down, same-same-opposite orientation. All bergenite samples have been found in old...

    • 08.ED Unclassified: 05 Moreauite, 10 Sreinite, 15 Kamitugaite
  • 08.F Polyphosphates
    • 08.FA Polyphosphates, without OH and H2O; dimers of corner-sharing RO4 tetrahedra: 20 Pyrocoproite*, 20 Pyrophosphite*
    • 08.FC Polyphosphates, with H2O only: 10 Canaphite, 20 Arnhemite*, 25 Wooldridgeite, 30 Kanonerovite
  • 08.X Unclassified Strunz Phosphates
    • 08.XX Unknown: 00 Sodium-autunite, 00 Pseudo-autunite*, 00 Cheralite-(Ce)?, 00 Laubmannite?, 00 Spodiosite?, 00 Sodium meta-autunite, 00 Kerstenite?, 00 Lewisite, 00 Coeruleolactite, 00 Viseite, 00 IMA2009-005
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