Calcite with Quartz, Ferberite
specimen number:
5007465
location:
Panasqueira Mines, Covilha, Castelo Branco, Portugal
description:
Colorless rhombohedral crystals of calcite are mostly covering the top of this crystallized quartz matrix. Underlying the quartz are bladed lustrous black crystals of ferberite. The calcite crystals are fluorescent red under longwave ultraviolet light.
Size: 13.0 x 11.0 x 4.0 cm (cabinet)
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