Common Phosphate, Arsenate, and Vanadate Minerals Triphylite--Li(Fe, Mn)PO4 Lithiophilite--Li(Mn, Fe)PO4 Monazite--(Ce, La, Y, Th)PO4 Apatite--Ca5(F, Cl, OH)(PO4)3 Pyromorphite--Pb5Cl(PO4)3 Vanadinite--Pb5Cl(VO4)3 Vivianite--Fe3(PO4)2.8H2O Erythrite--Co3(AsO4)2.8H2O Amblygonite--LiAlFPO4 Lazulite--(Mg, Fe)Al2(OH)2(PO4)2 Scorzalite--(Fe, Mg)Al2(OH)2(PO4)2 Wavellite--Al3(OH)3(PO4)2.5H2O Turquoise--CuAl6(PO4)4(OH)8.2H2O Autunite--Ca(UO2)2(PO4)2.10-12H2O Carnotite--K2(UO2)2(VO4)2.3H2O The links above will take you to the Mineral Gallery website (http://www.galleries.com).

The dominant building block of this mineral class is the PO4- tetrahedron. Phosphorus, arsenic, and vanadium may substitute for each other within the tetrahedron. The minerals of this class can have very complex chemical relationships and structures. It is a large mineral class but many members are rare.

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Mineral Groups