Laurite

Formula : RuS2

Family: 
Space group: 
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3
Dana class: 
2.12.1.10 (2) Sulfides - Including Selenides and Tellurides (2.12) where Am Bn Xp, with (m+n):p=1:2 (2.12.1) Pyrite Group (Isometric: Pa3)
High temperature: 
High temperature mineral
Geological context: 
In ultramafic complexes and their derived placer deposits. Laurite is a high temperature mineral that precipitates from ultramaphic magmas.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
Reaction properties

Laurite + 0.75H2O ⇌ Ru+2 + 1.5HS- + 0.25S2O3-2

298.15 K, 1 bar log10K: -70.82 ΔH°r:373889 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -76.89 -70.82 -64.04 -58.04 -52.40 -48.26 -45.27 -43.34