Mineralogy Database

Eglestonite Mineral Data

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General Eglestonite Information

Help on Chemical  Formula: Chemical Formula: Hg6Cl3O(OH) (?)
Help on Composition: Composition: Molecular Weight = 1,342.90 gm
   Mercury   89.62 %  Hg   93.20 % Hg2O
   Hydrogen   0.08 %  H     0.67 % H2O
   Chlorine   7.92 %  Cl    7.92 % Cl
               -   %   Cl   -1.79 % -O=Cl2   
   Oxygen     2.38 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg6Cl3O(OH)
Help on Environment: Environment: Secondary mineral associated with mercury deposits
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1903
Help on Locality: Locality: Terlingua district, Brewster County, Texas, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for T. E. Egleston.
Help on Name Pronunciation: Name Pronunciation: Eglestonite + Pronunciation Say EGLESTONITE
Help on Synonym: Synonym: ICSD 12102
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