Mineralogy Database

Steropesite Mineral Data

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General Steropesite Information

Help on Chemical  Formula: Chemical Formula: Tl3BiCl6
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Tl2.89Na0.01Bi1.21Cl5.32Br0.56
Help on Environment: Environment: Found in an active high-temperature fumarole (~450 deg. C).
Help on IMA Status: IMA Status: Approved IMA 2008 (Dana # Added)
Help on Locality: Locality: La Fossa crater, Vulcano, Aeolian Islands, Italy Link to MinDat.org Location Data.
Help on Name Origin: 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.
Help on Synonym: Synonym: IMA2008-014