Metakirchheimerite Mineral Data

General Metakirchheimerite Information
Chemical Formula:	Co(UO2)2(AsO4)2•8(H2O)
Composition:	Molecular Weight = 1,020.95 gm
	Uranium 46.63 % U 52.90 % UO₂
	Cobalt 5.77 % Co 8.12 % Co₂O₃
	Arsenic 14.68 % As 22.51 % As₂O₅
	Hydrogen 1.58 % H 14.12 % H₂O
	Oxygen 31.34 % O
	______ ______
	100.00 % 97.65 % = TOTAL OXIDE
Empirical Formula:	Co(UO₂)₂(AsO₄)₂•8(H₂O)
Environment:	Secondary mineral formed in the oxidized zone of a U-As deposit.
IMA Status:	Valid Species (Pre-IMA) 1958
Locality:	Dump of the Sophia mine, near Wittichen, Black Forest, Germany. Link to MinDat.org Location Data.
Name Origin:	Named for meta which indicates membership of this species in the meta-autunite group and for Franz Waldemar Kirchheimer (1911-), former Director of the Geological Survey of Baden-Wu rttemberg, Germany.
Name Pronunciation:	Metakirchheimerite + Pronunciation