Mineralogy Database

Lawrencite Mineral Data

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General Lawrencite Information

Help on Chemical  Formula: Chemical Formula: (Fe++,Ni)Cl2
Help on Composition: Composition: Molecular Weight = 127.46 gm
   Iron      32.86 %  Fe   42.27 % FeO
   Nickel    11.51 %  Ni   14.65 % NiO
   Chlorine  55.63 %  Cl   55.63 % Cl
               -   %  Cl  -12.55 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+0.75Ni0.25Cl2
Help on Environment: Environment: Terrestrial alteration of meteoritic iron.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1877
Help on Locality: Locality: Tazewell, Ovifak, Canyon Diablo, and other iron meteorites. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Lawrence Smith (1818-1883), American chemist, mineralogist, and student of meteorites, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Lawrencite + Pronunciation Say LAWRENCITE
Help on Synonym: Synonym: ICSD 4059
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