Chlorite(Cca-2)

Formula : (Mg2.964Fe1.927Al1.116Ca0.011)(Si2.633Al1.367)O10(OH)8

Space group: 
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Dana class: 
71.4.1.4 (71)Phyllosilicate Sheets of Six-Membered Rings (71.4)interlayered 1:1, 2:1, and octahedra (71.4.1)Chlorite group (Tri-Dioctahedral)
High temperature: 
Around 100C to 600C C according Fe,Mg, Al substitutions.
Geological context: 
Contact, hydrothermal, and regional metamorphism of mafic minerals. A product of low-grade metamorphism of Al, Mg-rich rocks.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
T(°C) 0 25 60 100 150 200 250 300
log10K 71.30 61.34 49.77 39.21 28.76 20.28 12.95 6.14