Fluorapatite on Quartz with Siderite

specimen number:
5003470

location:
3 level, Panasqueira Mines, Covilha, Castelo Branco, Portugal

description:
A large double terminated glassy and gemmy quartz crystal, the front hosting many colorless prismatic crystals of fluorapatite averaging 0.5 cm in size. This is complete all around with no points of attachment. In great condition. Minor siderite present as well. Collected in 1999. The fluorapatite crystals are fluorescent under longwave ultraviolet light.

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