Mineralogy Database

Tomichite Mineral Data

Search Webmineral :
  
Advertisment

General Tomichite Information

Help on Chemical  Formula: Chemical Formula: (V,Fe)4Ti3AsO13(OH)
Help on Composition: Composition: Molecular Weight = 647.82 gm
   Titanium  22.17 %  Ti   36.99 % TiO2
   Vanadium  30.67 %  V    45.12 % V2O3
   Iron       0.86 %  Fe    1.23 % Fe2O3
   Arsenic   11.57 %  As   17.74 % As2O5
   Hydrogen   0.16 %  H     1.39 % H2O
   Oxygen    34.58 %  O
            ______        ______ 
            100.00 %      102.47 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V3+3.9Fe3+0.1Ti3AsO13(OH)
Help on Environment: Environment: In a specimen from a hydrothermal gold deposit.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Kalgoorlie, Western Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Stephan A. Tomich (1914-), consulting geologist who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Tomichite + Pronunciation Say TOMICHITE