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Fluorite
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Unknown Owner
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Sparkling micro crystals of purple fluorite across one side of matrix with minor barite. This is the variety known as Blue John. Blue John fluorite is a rare variety of fluorite found only in Derbyshire, England, known for its distinctive curved bands of purple, blue, and yellow. This is mostly massive material, crystals are not terribly common.
Product details
SpeciesFluorite
SizeSmall Cabinet
Dimensions9.5 x 7.0 x 7.0 cm
Added on02/24/2026
LocalityUK, England, Old Tor Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 02/2026 | Unknown Owner | $40.00 |
| — | Weinrich Minerals | Not disclosed |
Learn more
Mineral guide
Learn about Fluorite
calcium fluoride with a dazzling color range, cubic and octahedral crystals, and UV fluorescence; prized by collectors for Blue John banding.Regional guide
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