Ulrichite
Encyclopedia
Ulrichite is a rare green uranium
Uranium
Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons...

 phosphate mineral (CaCu(UO2)[PO4]2·4H2O).

It was first described in 1988 for an occurrence in Lake Boga, Victoria, Australia and named for G. H. F. Ulrich.
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