Mineral: Clausthalite
Locality: Merelani mines, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Dimensions: 0.7 mm max crystal size

Description: Merelani tanzanite mines, Manyara Region, Tanzania Octahedral Clausthalite crystals in a sphalerite/wurtzite vug on the back of the above rhodochrosite/sphalerite/wurtzite specimen.

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