Mineralogy Database

Calomel Mineral Data

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General Calomel Information

Help on Chemical Formula: Chemical Formula: Hg2Cl2
Help on Composition: Composition: Molecular Weight = 472.09 gm
   Mercury   84.98 %  Hg   88.37 % Hg2O
   Chlorine  15.02 %  Cl   15.02 % Cl
               -   %   Cl   -3.39 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Hg2Cl2
Help on Environment: Environment: Oxidized mercury deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1776
Help on Locality: Locality: Terlingua, Brewster Co., Texas, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, kalos - "beautiful" and melas - "black."
Help on Name Pronunciation: Name Pronunciation: Calomel Say CALOMEL
Help on Synonym: Synonym: Horn Quicksilver
  ICSD 64683
  PDF 26-312