Ferberite with Siderite, Muscovite
specimen number:
8121706
location:
Panasqueira mines, Beira Baixa, Portugal
description:
Lustrous black bladed ferberite crystal 9.0 cm on a diagonal, this set perfectly on a muscovite crystal matrix was siderite. Completely crystallized all around with minor arsenopyrite on the bottom. In great condition.
Size: 13.0 x 9.5 x 5.0 cm (cabinet)
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Related by Mineral (Ferberite):
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Origin: Nederland, Boulder Co., Colorado, USA
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Number: (2072101)
Size: 9.0 x 6.0 x 5.5 cm (small-cabinet)
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Related by Location (Panasqueira mines):
Fluorapatite — Portugal
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Size: 9.0 x 6.0 x 5.5 cm (small-cabinet)
Arsenopyrite — Portugal
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Number: (9273007)
Size: 6.5 x 5.0 x 3.5 cm (small-cabinet)