Azurite

Formula : Cu3(OH)2(CO3)2

Space group: 
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Dana class: 
16a.2.1.1 (16a) Carbonates - Hydroxyl or Halogen (16a.2)where (A B)3 (XO3)2 Zq (16a.2.1)Dana Group
High temperature: 
Supergeneenvironments
Geological context: 
Secondary mineral in the oxidized zone of copper ore deposits

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
344.670 91.010 -1399201 -1632359 280.202 246.58
Reaction properties

Azurite + 4H+ ⇌ 2HCO3- + 3Cu+2 + 2H2O

298.15 K, 1 bar log10K: 9.12 ΔH°r: -121996 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 11.03 9.12 6.82 4.63 2.30 0.19 -1.92 -4.29