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Spherocobaltite on quatrz associated with cobaltlotharmeyerite (orange- brown)

Spherocobaltite
Formula: CoCO3
System: Trigonal
Colour: Most commonly dark ...
Hardness: 3 - 4
Member of: Calcite Group


Cobaltlotharmeyerite
Formula: Ca(Co,Fe3+,Ni)2(AsO4)2 · 2(H2O,OH)
System: Monoclinic
Colour: light brown to reddish ...
Lustre: VitreousHardness:4½

From: Agoudal Centre Quarry, Agoudal, Bou Azer District (Bou Azzer District), Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco

Collection and photo JP Barral

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