Crandallite

Formula : CaAl3(PO4)2(OH)5:H2O

Family: 
Space group: 
Trigonal - Hexagonal Scalenohedral HM symbol (-3 2/m) Space Group: R 3m
Dana class: 
42.7.3.1Hex ; 42.7 Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (AB)5 (XO4)3 Zq . x(H2O) ; 42.7.3

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
Reaction properties

Crandallite + 9H+ ⇌ 3Al+3 + Ca+2 + 2H2PO4- + 6H2O

298.15 K, 1 bar log10K: 21.05 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K 21.05 21.05 21.05 21.05 21.05 21.05 21.05 21.05