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Formula: (Ca,Na,☐)19Ti8Fe3+4Fe2+4(AsO3)28F
Arsenite, titanium-bearing mineral
Crystal System: Isometric
Specific gravity: 3.9 measured, 3.5 calculated
Hardness: 5½ to 6
Streak: Yellow-brown
Colour: Dark brown
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).
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