Mineral Information and Data:

Brushite
Ca(PO3OH) • 2H2O [CNMNC approved formula]

Named To honor Professor George Jarvis Brush (1831-1912), American mineralogist, Yale University, New Haven, Connecticut, USA.

IMA status : Valid species (Pre-IMA 1865) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
39.01.01.01  
  (39) Hydrated Acid Phosphates
  (39.01) A+ [HXO4] · x(H2O)
  (39.01.01)
  
Nickel-Strunz
(10th edition) :
08.CJ.50
  (08) Phosphates, Arsenates, Vanadates
  (08.C) Phosphates without Additional Anions, with H2O
  (08.CJ) With only large cations
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  
Other Properties: BioMineral.

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