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

Fluorite (interpenetrant-twinned crystals) with Galena over Quartz from Blackdene Mine, Ireshopeburn, Weardale, County Durham, England

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 61112
Mineral:	Fluorite (interpenetrant-twinned crystals) with Galena over Quartz
Locality:	Blackdene Mine, Ireshopeburn, Weardale, County Durham, England
Description:	Lustrous transparent purple cubic fluorite crystals to 8 mm with distorted gray-metallic galena crystals to 7 mm completely coating on one face of a triangular quartz plate. The fluorite crystals are interpenetrant-twinned and fluoresce violet under UV. Ex. John Lawson (1942-2024) and Robert Lawson
Overall Size:	13x10x4 cm
Crystals:	1-8 mm
Archived:	For reference only

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