Amesite(Fe)

Formula : Fe4Al2(Al2Si2)O10(OH)8

Space group: 
Triclinic - Pedial H-M Symbol (1) Space Group: C1
Dana class: 
7.1.2c.1 (71) Phyllosilicate Sheets of Six-Membered Rings (71.1) with 1:1 layers(71.1.2c)Serpentine group (Amesite subgroup)
High temperature: 
Around 100C to 600C C according Fe,Mg, Al substitutions.
Geological context: 
A product of low-grade metamorphism of Al, Mg-rich rocks.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

T(°C) 0 25 60 100 150 200 250 300
log10K 67.89 57.04 44.44 32.88 21.34 11.85 3.56 -4.21