Cassiterite with Sphalerite, Arsenopyrite, Calcite
specimen number:
8033240
location:
Panasqueira Mine, Covilha, Castelo Branco, Portugal
description:
Lustrous black twin crystal grouping of cassiterite just under 2.0 cm across on a matrix of crystallized black sphalerite with minor arsenopyrite and calcite. This is crystallized naturally all around with very slight minor cleaving to the sphalerite on the backside of the piece. I still think in very good condition.
Size: 4.3 x 3.0 x 3.0 cm (miniature)
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Related by Mineral (Cassiterite):
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Origin: Amo, Ximeng, Yunnan, China
Number: (5002300)
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Cassiterite — China
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Number: (9505408)
Size: 2.3 x 0.9 x 0.7 cm (thumbnail)
Related by Location (Panasqueira Mine):
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Number: (9505399)
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Number: (5003083)
Size: 16.0 x 11.0 x 3.5 cm (large-cabinet)
Fluorapatite — Portugal
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Number: (5003503)
Size: 6.0 x 3.0 x 1.5 cm (small-cabinet)