Pyromorphite

Formula : Pb5(PO4)3OH

Family: 
Space group: 
Monoclinic - Domatic HM symbol (m) Space Group: P 63/m 6/
Dana class: 
41.8.4.1VII - 41 Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen ; 41.8 Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen where(?)5 (XO4)3 Zq ; 41.8.4

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
Reaction properties

Pyromorphite + 7H+ ⇌ 3H2PO4- + 5Pb+2 + H2O

298.15 K, 1 bar log10K: -18.12 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -18.12 -18.12 -18.12 -18.12 -18.12 -18.12 -18.12 -18.12