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Formula: Ca3TiAs6Be2Si2O20
Arsenite, titanium and
beryllium bearing mineral
Crystal System: Hexagonal
Specific gravity: 3.70
Hardness: 6½ to 7
Colour: Yellow, pale yellow
Environments
Localities
At the type locality, the Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland, asbecasite occurs
on cleft faces in orthogneiss. Associated minerals include
magnetite, hematite,
titanite, apatite,
anatase, malachite,
azurite, tennantite and
molybdenite
(HOM).
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