Mineralogy Database

Armalcolite Mineral Data

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General Armalcolite Information

Help on Chemical  Formula: Chemical Formula: (Mg,Fe++)Ti2O5
Help on Composition: Composition: Molecular Weight = 207.95 gm
   Magnesium   8.77 %  Mg   14.54 % MgO
   Titanium   46.05 %  Ti   76.83 % TiO2
   Iron        6.71 %  Fe    8.64 % FeO
   Oxygen     38.47 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg0.75Fe2+0.25Ti2O5
Help on Environment: Environment: Ti oxides associated with deep-seated intrusives.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Tranquillity Base, Moon. Smoky Butte, Garfield Co., MT, Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the three astronauts of Apollo 11: Neil A. ARMstrong, Edwin E. "Buzz" ALdrin, and Michael COLlins.
Help on Name Pronunciation: Name Pronunciation: Armalcolite + Pronunciation Say ARMALCOLITE
Help on Synonym: Synonym: ICSD 15845
  Kennedyite - Discredited IMA 1988
  PDF 41-1444