Cassiterite with Quartz, Siderite
specimen number:
80311124
location:
Panasqueira mine, Covilha, Castelo Branco, Portugal
description:
Water clear gem double terminated quartz crystal set across this matrix with lustrous black crystals of cassiterite to 0.8 cm in size. Brown crystals of siderite present as well. Extremely neat combination piece in very good condition.
Size: 5.5 x 4.0 x 2.5 cm (miniature)
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