Sicherite Mineral Data

General Sicherite Information
Chemical Formula:	TlAg2(As,Sb)3S6
Composition:	Molecular Weight = 878.49 gm
	Thallium 23.27 % Tl
	Silver 24.56 % Ag
	Antimony 11.09 % Sb
	Arsenic 19.19 % As
	Sulfur 21.90 % S
	______
	100.00 %
Empirical Formula:	TlAg₂As_2.25Sb_0.8S₆
Environment:	Product of late-stage activity of Tl-As-bearing hydrothermal solutions during Alpine metamorphism associated with realgar.
IMA Status:	Approved IMA 1998 (Dana # Added)
Locality:	Lengenbach, Binntal, Switzerland. Link to MinDat.org Location Data.
Name Origin:	Named for Valentin Sicher (1925-), member of the Lengenbach syndicates who contributed greatly to the specimen recovery efforts.
Synonym:	IMA1997-051