AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite var. Blue John

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Fluorite var. Blue John from Old Tor Vein, Castleton, Derbyshire, England

 
Fluorite var. Blue John from Old Tor Vein, Castleton, Derbyshire, England

DESCRIPTION:No. 40575
Mineral:Fluorite var. Blue John
Locality:Old Tor Vein, Castleton, Derbyshire, England
Description:Banded vein of dark blue fluorite, variety Blue John, sawn on one face to show the layered structure. The ends of the specimen have fluorite crystals up to 6 mm with brown siderite microspheres. Ex. Steve Chamberlain collection #6768; collected by Dr. R. J. King.
Overall Size:7x5x4 cm
Crystals:micro to 6 mm
Status: Sold - Posted here for reference only
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