Mineralogy Database

Deanesmithite Mineral Data

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General Deanesmithite Information

Help on Chemical  Formula: Chemical Formula: Hg+2Hg++3Cr++++++O5S2
Help on Composition: Composition: Molecular Weight = 1,199.08 gm
   Chromium   4.34 %  Cr    8.34 % CrO3
   Mercury   83.64 %  Hg   34.79 % Hg2O / 54.19 % HgO
   Sulfur     5.35 %  S     5.35 % S2-
               -   %  S    -2.67 % -O=S 
   Oxygen     6.67 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg2Hg3CrO5S2
Help on Environment: Environment: Very rare in a mercury deposit in silicate-carbonate rock hydrothermally altered from serpentine.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Clear Creek claim, near the Clear Creek mercury mine, New Idria district, San Benito County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Deane K. Smith (1930-2001), Pennsylvania State University, University Park, Pennsylvania, USA.
Help on Name Pronunciation: Name Pronunciation: Deanesmithite + Pronunciation Say DEANESMITHITE
Help on Synonym: Synonym: IMA1991-001