Formula : Ca6Si6O17(OH)2

Space group: 
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/a
Dana class: (66) Inosilicate Double-Width Unbranched Chains, W=2 (66.3 )with chains P>2 (66.3.1)P=3
High temperature: 
High temperature mineral in natural environment but posible at room temperature
Geological context: 
Xonotlite can be formed experimentally by the decomposition of tobermorite, by the dehydration of truscottite and gyrolite, or by the hydration of wollastonite. It occurs, in hornfels near limestone layers, associated with intrusive mafic bodies and as veinlets in serpentine or contact zones.

Dernière mise à jour le 25.01.2021


Reaction properties
T(°C) 0 25 60 100 150 200 250 300
log10K 100.07 91.33 80.87 71.16 61.53 53.81 47.33 41.50