Measurements: 76 x 50 x 28 mm Description: A two-sided specimen consisting of small, greenish (?)smithsonite crystals that cover most of a rock matrix.
The specimen has a few nicks. Weight of Specimen: 134.0 g
Chemical Composition: CuCO3 (green smithsonite)
Hardness on Mohs Scale: (smithsonite) 4-5 Location: Tsumeb, Northern Namibia.
Specimen Code: NTS 002
US $ 120
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