Mineral: Pyrite coating Marcasite on Baryte
Locality: Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region, Morocco
Dimensions: 7.3 × 5.2 × 5.2 cm
Description: The octahedral crystals of Pyrite grow on what appear to be columnar groups of twinned crystals of Marcasite
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