Mineralogy Database

Tocornalite Mineral Data

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General Tocornalite Information

Help on Chemical  Formula: Chemical Formula: (Ag,Hg)I (?)
Help on Composition: Composition: Molecular Weight = 257.95 gm
   Silver   31.36 %  Ag   33.69 % Ag2O
   Mercury  19.44 %  Hg   20.22 % Hg2O
   Iodine   49.20 %  I    49.20 % I
              -   %   I    -3.10 % -O=I2    
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ag0.75Hg0.25I
Help on Environment: Environment: Found with other halides of silver and mercury. A questionable species.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1867
Help on Locality: Locality: Chanarcillo, Atacama, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1867 for S. F. Tocornal, rector of the University of Santiago, Chile.
Help on Name Pronunciation: Name Pronunciation: Tocornalite + Pronunciation Say TOCORNALITE