Mineralogy Database

Hemloite Mineral Data

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General Hemloite Information

Help on Chemical  Formula: Chemical Formula: (As,Sb)2(Ti,V,Fe,Al)12O23OH
Help on Composition: Composition: Molecular Weight = 1,050.40 gm
   Titanium  27.35 %  Ti   45.63 % TiO2
   Aluminum   2.57 %  Al    4.85 % Al2O3
   Vanadium  14.55 %  V    25.97 % V2O5
   Iron      10.63 %  Fe   13.68 % FeO
   Antimony   2.90 %  Sb    3.47 % Sb2O3
   Arsenic    5.35 %  As    7.06 % As2O3
   Hydrogen   0.10 %  H     0.86 % H2O
   Oxygen    36.56 %  O
            ______        ______ 
            100.00 %      101.52 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: As0.75Sb0.25Ti6V5+3Fe2+2AlO23(OH)
Help on Environment: Environment: In a hydrothermal gold deposit.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Hemlo gold deposit, Page-Williams mine, 3 km east of Hemlo, Thunder Bay district, Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Hemloite Say HEMLOITE
Help on Synonym: Synonym: ICSD 203124
  IMA1987-015
  PDF 46-1317