Jennite

Formula : Ca9Si6H22O32

Space group: 
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Dana class: 
56.2.4.11 (56) Sorosilicate Si2O7 Groups and O, OH, F. and H2O (56.2) with cations in [4] and/or >[4] coordination (56.2.4) Cuspidine - Wohlerite group
High temperature: 
Stability of Jennite at low temperature cannot be dismissed.
Geological context: 
Jennite is a natural analog of the calcium silicate hydrate (CSH) phase that forms a major part of Portland cement.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

T(°C) 0 25 60 100 150 200 250 300
log10K 159.05 147.34 133.78 121.62 109.98 101.00 93.67 87.20