AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite with Siderite and Calcite

Fluorite with Siderite and Calcite from Boltsburn Mine, Rookhope, County Durham, England

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 78659
Mineral:	Fluorite with Siderite and Calcite
Locality:	Boltsburn Mine, Rookhope, County Durham, England
Description:	Lustrous transparent purplish-gray cubic fluorite crystals to 35 mm with overgrowth on select faces of translucent dark-brown siderite crystals to 1 mm and late-growth transparent colorless calcite crystals to 2 mm. The fluorite fluoresces violet under LW-SW UV illumination. Ex. Lance T. Hampel collection #LTH592; donated to the A. E. Seaman Museum
Overall Size:	9x6.5x4.5 cm
Crystals:	1-35 mm
Archived:	For reference only

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