Cassiterite with Muscovite
specimen number:
3774102
location:
Panasqueira mine, Beira Baixa, Portugal
description:
Lustrous black crystals of cassiterite measuring to 0.7 cm in size on a muscovite crystal matrix. This is crystallized naturally all around, even on the bottom. There is one area on the specimen that at first appears to be damaged, this is naturally crystallized and is shown closely in the video.
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