AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (twinned crystals), Galena, Chalcopyrite, Quartz

Fluorite (twinned crystals), Galena, Chalcopyrite, Quartz from Blackdene Mine, Ireshopeburn, Weardale, County Durham, England

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 73928
Mineral:	Fluorite (twinned crystals), Galena, Chalcopyrite, Quartz
Locality:	Blackdene Mine, Ireshopeburn, Weardale, County Durham, England
Description:	Lustrous transparent cubic purple fluorite crystals to 13 mm with gray-metallic galena crystals to 4 mm and yellow-metallic chalcopyrite crystals to 1 mm over gray quartz. The fluorite crystals are interpenetrant-twinned and fluoresce violet under UV. Collected ca. 1975
Overall Size:	7x5x4 cm
Crystals:	1-13 mm
Archived:	For reference only

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