Mineralogy Database

Demicheleite-(Br) Mineral Data

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General Demicheleite-(Br) Information

Help on Chemical  Formula: Chemical Formula: BiSBr
Help on Composition: Composition: Molecular Weight = 306.48 gm
   Bismuth   67.51 %  Bi
   Sulfur    10.15 %  S
   Iodine     0.83 %  I
   Bromine   17.47 %  Br
   Chlorine   4.05 %  Cl
            100.00 % 
Help on Empirical Formula: Empirical Formula: Bi0.99S0.97Br0.67Cl0.35I0.02
Help on Environment: Environment: Found in an active high-temperature fumarole at the crater rim. New structure type.
Help on IMA Status: IMA Status: Approved IMA 2007 (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: Named for Vincenzo de Michele (b. 1936), former curator of the Section of Mineralogy of the Museo di Storia Naturale, Milan, Italy.
Help on Synonym: Synonym: IMA2007-022