Cooperite

Formula : PtS

Family: 
Space group: 
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 41/mmc
Dana class: 
2.8.5.1 (2) Sulfides - Including Selenides and Tellurides (2.8) where Am Bn Xp, with (m+n):p=1:1(2.8.5) Dana Group
High temperature: 
High temperature mineral.
Geological context: 
A significant platinum ore mineral, found in concentrates from norites that are feldspar-pyroxene-bearing rocks; in alluvial placers.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
Reaction properties

Cooperite + H+ ⇌ Pt+2 + HS-

298.15 K, 1 bar log10K: -60.93 ΔH°r:321919 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -66.13 -60.93 -55.05 -49.77 -44.70 -40.87 -37.97 -35.89