Steropesite Mineral Data

General Steropesite Information
Chemical Formula:	Tl3BiCl6
Composition:	Molecular Weight = 1,077.12 gm
	Sodium 0.02 % Na 0.03 % Na₂O
	Thallium 54.84 % Tl 56.98 % Tl₂O
	Bismuth 23.48 % Bi 26.17 % Bi₂O₃
	Bromine 4.15 % Br 4.15 % Br
	- % Br -0.42 % -O=Br₂
	Chlorine 17.51 % Cl 17.51 % Cl
	- % Cl -3.95 % -O=Cl₂
	______ ______
	100.00 % 100.48 % = TOTAL OXIDE
Empirical Formula:	Tl_2.89Na_0.01Bi_1.21Cl_5.32Br_0.56
Environment:	Found in an active high-temperature fumarole (~450 deg. C).
IMA Status:	Approved IMA 2008 (Dana # Added)
Locality:	La Fossa crater, Vulcano, Aeolian Islands, Italy Link to MinDat.org Location Data.
Name Origin:	Name is after Steropes, one of the three Cyclops and a son of Uranus. This mythological half-god was a helper of Hephaistos, the ancient Greek god of fire.
Synonym:	IMA2008-014