Mineralogy Database

Gatehouseite Mineral Data

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General Gatehouseite Information

Help on Chemical  Formula: Chemical Formula: Mn++5(PO4)2(OH)4
Help on Composition: Composition: Molecular Weight = 532.66 gm
   Manganese   51.57 %  Mn   66.59 % MnO
   Phosphorus  11.63 %  P    26.65 % P2O5
   Hydrogen     0.76 %  H     6.76 % H2O
   Oxygen      36.04 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+5(PO4)2(OH)4
Help on Environment: Environment: Secondary mineral in cavities in a sedimentary Fe�Mn deposit, probably formed by reaction of phosphorus-rich fluids with hausmannite at low temperature.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Iron Monarch quarry, Iron Knob, South Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Bryan Michael Kenneth Cummings Gatehouse (1932- ), crystal chemist, Monash University, Melbourne, Australia.
Help on Name Pronunciation: Name Pronunciation: Gatehouseite + Pronunciation Say GATEHOUSEITE
Help on Synonym: Synonym: ICSD 1198
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