Celadonite

Formula : K(MgAl)Si4O10(OH)2

Family: 
Space group: 
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Dana class: 
71.2.2a.6 (71) Phyllosilicate Sheets of Six-Membered Rings,(71.2)with 2:1 Layers (71.2.2a)Mica Group (Muscovite subgroup)
High temperature: 
It is a low temperature mineral.
Geological context: 
Replaces primary ferromagnesian silicate minerals in altered intermediate to mafic volcanic rocks, developed under low-grade zeolite facies metamorphism; as amygdule fillings in basalts or andesites.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

T(°C) 0 25 60 100 150 200 250 300
log10K 11.90 10.22 8.00 5.89 3.77 2.03 0.47 -1.08