AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (color-zoned interpenetrant-twinned crystals)

Fluorite (color-zoned interpenetrant-twinned crystals) from Weardale, County Durham, England

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 79867
Mineral:	Fluorite (color-zoned interpenetrant-twinned crystals)
Locality:	Weardale, County Durham, England
Description:	Fine specimen of interconnected transparent purple cubic fluorite crystals with glassy crystal faces. The fluorite crystals are interpenetrant-twinned, internally zoned, and fluoresce violet under LW-SW UV illumination. Excellent internal transparency. From my private collection
Overall Size:	3.5x3.5x2.5 cm
Crystals:	11-23 mm
Archived:	For reference only

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