Phosphuranylite
Encyclopedia
Phosphuranylite is a uranyl
Uranyl
The uranyl ion is an oxycation of uranium in the oxidation state +6, with the chemical formula [UO2]2+. It has a linear structure with short U-O bonds, indicative of the presence of multiple bonds between uranium and oxygen. Four or more ligands are bound to the uranyl ion in an equatorial plane...

 phosphate mineral with formula KCa(H3O)3(UO2)7(PO4)4O4·8(H2O).

It was first described in 1879 by Frederick Augustus Genth
Frederick Augustus Genth
Frederick Augustus Ludwig Karl Wilhelm Genth was a United States chemist.-Biography:...

, from an occurrence in the Flat Rock pegmatite
Pegmatite
A pegmatite is a very crystalline, intrusive igneous rock composed of interlocking crystals usually larger than 2.5 cm in size; such rocks are referred to as pegmatitic....

 in Mitchell County, North Carolina
Mitchell County, North Carolina
-National protected areas:* Blue Ridge Parkway * Pisgah National Forest -Demographics:As of the census of 2000, there were 15,687 people, 6,551 households, and 4,736 families residing in the county. The population density was 71 people per square mile . There were 7,919 housing units at an...

, USA.
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