Sudoite(Fe)

Formula : Fe2Al4Si3O10(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

Reaction properties
T(°C) 0 25 60 100 150 200 250 300
log10K 44.23 36.17 26.62 17.75 8.77 1.29 -5.36 -11.66