Schmiederite Mineral Data

General Schmiederite Information
Chemical Formula:	Pb2Cu++2(Se++++O3)(Se++++++O4)(OH)4
Composition:	Molecular Weight = 879.44 gm
	Copper 14.45 % Cu 18.09 % CuO
	Hydrogen 0.46 % H 4.10 % H₂O
	Lead 47.12 % Pb 50.76 % PbO
	Selenium 17.96 % Se 12.62 % SeO₂ / 14.44 % SeO₃
	Oxygen 20.01 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Pb₂Cu₂(SeO₃)(SeO₄)(OH)₄
Environment:	Secondary mineral in the oxidized zone of selenium-bearing hydrothermal base metal deposits.
IMA Status:	Approved IMA 1962
Locality:	C�ondor mine, Los Llantenes district, Sierra de Cacheuta, La Rioja Province, Argentina. Link to MinDat.org Location Data.
Name Origin:	Named for Oscar Schmieder (1891-1980), German geographer, a Director of the Museum of Mineralogy and Geology, National University, C�ordoba, Argentina.
Name Pronunciation:	Schmiederite + Pronunciation
Synonym:	ICSD 68172
	PDF 41-1377
	Schmeiderite