Coiraite Mineral Data

General Coiraite Information
Chemical Formula:	(Pb,Sn)12.5As3Sn5FeS28
Composition:	Molecular Weight = 4,256.03 gm
	Iron 1.44 % Fe
	Silver 0.33 % Ag
	Tin 17.29 % Sn
	Arsenic 5.26 % As
	Lead 54.57 % Pb
	Sulfur 21.10 % S
	______
	100.00 %
Empirical Formula:	Pb_11.21Sn_1.3As_2.99Ag_0.13Fe²⁺_1.1Sn_4.9S₂₈
Environment:	Franckeite solid-solution series. Coiraite has two monoclinic sub-cells, Q (pseudotetragonal) and H (pseudohexagonal).
IMA Status:	Approved IMA 2005 (Dana # Added)
Locality:	Pirquitas mining district, Puna Region, Rinconada Department, Jujuy Province, Argentina. Link to MinDat.org Location Data.
Name Origin:	Commission on New Minerals, Nomenclature and Classification (CNMNC)
Synonym:	IMA2005-024