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Formula: Cu+Cu2+2(OH)3Cl2
Hydroxyhalide
Crystal System: Monoclinic
Specific gravity: 3.90 clculated
Colour: Green
Environments
Bounahasite is a new mineral, approved in 2021 and to date (May 2023) reported only from the type locality.
Localities
At the type locality, the Bou Nahas mine, Oumjrane mining area, Alnif Cercle, Tinghir Province, Drâa-Tafilalet Region,
Morocco, bounahasite was found in the oxidation zone, as pseudo-hexagonal plates up to 3 × 30 × 40
μm3 in size combined in loose clusters with native copper and
paratacamite. The bounahasite is green with vitreous lustre
(MM 87.2.218-224).
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