AlF3

Formula : AlF3

Family: 
Space group: 
Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: P 4/n
Dana class: 
9.3.6.1 (9) Anhydrous and Hydrated Halides (9.3) Dana Type (9.3.6) Dana Group
High temperature: 
This mineral is not stable at room temperature, probably at temperatures up 100C.
Geological context: 
Occurs only as hydroxyled phase AlF3.2H2O (Rosenbergite) cavities in highly silicified limestone (Italy) and volcanic fumaroles (Antarctica).

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

T(°C) 0 25 60 100 150 200 250 300
log10K -16.90 -17.32 -18.10 -19.11 -20.52 -22.13 -24.03 -26.44