AM_Brushite_8 Formula: Ca P O6 D5 Name: Brushite Unit cell: 5.8 15.1256 6.1866 90.0 116.422 90.0 , V=486.05 Space group: I1A1 (9)

Schofield P F , Knight K S , van der Houwen J A M , Valsami-Jones E , Physics and Chemistry of Minerals , 31 (2004) p.606-624, The role of hydrogen bonding in the thermal expansion and dehydration, of brushite, di-calcium phosphate dihydrate, Sample: T = 80 K