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: Huya, Mt Xuebaoding, Sichuan, China
Number: (9505408)
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Cassiterite — China
Origin: Huya, Mt Xuebaoding, Sichuan, China
Number: (9530331)
Size: 5.3 x 2.0 x 1.8 cm (miniature)
Related by Location (Panasqueira Mine):
Arsenopyrite — Portugal
Origin: Panasqueira Mines, Castelo Branco, Portugal
Number: (9273007)
Size: 6.5 x 5.0 x 3.5 cm (small-cabinet)
Fluorapatite — Portugal
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Number: (9506729)
Size: 4.5 x 3.0 x 2.0 cm (miniature)
Fluorapatite — Portugal
Origin: Panasqueira Mine, Covilha, Castelo Branco, Portugal
Number: (9530409)
Size: 10.0 x 2.3 x 1.5 cm (cabinet)