Mineralogy Database

Brushite Mineral Data

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General Brushite Information

Help on Chemical  Formula: Chemical Formula: CaHPO4•2(H2O)
Help on Composition: Composition: Molecular Weight = 172.09 gm
   Calcium     23.29 %  Ca   32.59 % CaO
   Phosphorus  18.00 %  P    41.24 % P2O5
   Hydrogen     2.93 %  H    26.17 % H2O
   Oxygen      55.78 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca(HPO4)•2(H2O)
Help on Environment: Environment: One of the most common cave minerals, in guano deposits, and in phosphorites, formed at low pH by reaction of phosphate-rich solutions with calcite and clay.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1865
Help on Locality: Locality: Found on Aves Island, Venezuela, west of Dominica, in the Caribbean Sea. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor Professor George Jarvis Brush (1831-1912), American mineralogist, Yale University, New Haven, Connecticut, USA.
Help on Name Pronunciation: Name Pronunciation: Brushite Say BRUSHITE
Help on Synonym: Synonym: ICSD 16132
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