Anglesite

Formula : PbSO4

Family: 
Space group: 
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Dana class: 
28.3.1.3 (28) Anhydrous Acid and Sulfates (28.3) (A++) XO4 (28.3.1) Barite Group
High temperature: 
Stable at room temperature.
Geological context: 
Secondary, weathered deposits of lead ore.

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
303.264 47.950 -813036 -919970 148.500 104.30
Reaction properties

Anglesite ⇌ Pb+2 + SO4-2

298.15 K, 1 bar log10K: -7.85 ΔH°r: 11550 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -8.13 -7.85 -7.75 -7.88 -8.29 -8.92 -9.81 -11.07