Cafarsite

cafarsite

asbecasite

chernovite

synchysite

Images

Formula: (Ca,Na,☐)19Ti8Fe3+4Fe2+4(AsO3)28F
Arsenite, titanium-bearing mineral
Specific gravity: 3.9
Hardness: 5½ to 6
Streak: Yellow-brown
Colour: Dark brown
Environments

Metamorphic environments

Localities

At the type locality, the Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland, cafarsite occurs on cleft faces in orthogneiss associated with asbecasite, gasparite-(Ce), chernovite and synchysite (HOM).

Back to Minerals