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Mineral Specimen No. 73394:
Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England.

This mineral specimen of Fluorite (interpenetrant-twins) on Quartz from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England is available for sale from John Betts - Fine Minerals, mineral dealer located in New York City, New York.Follow on Facebook

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Detailed information on mineral for sale No. 73394:

Mineral Species: Fluorite (interpenetrant-twins) on Quartz.
Location of mineral deposit: Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England.
Description: Lustrous transparent purple-gray cubic fluorite crystals to 9 mm on milky quartz crystals to 13 mm over brown limonite-siderite. The fluorite crystals exhibit interpenetrant twinning and fluoresce violet under SW UV illumination. No damage is visible to the unaided eye, but minor damage is visible under 20x magnification. Ex. James Dobo, jr. collection; collected ca. 1980.
Overall size of mineral specimen: 8x6.5x3.5 cm.
Size of individual crystals: micro to 9 mm
Price: $75 (plus shipping).

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Mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Detail view of mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Photographs Above: daylight illumination. Photographs Below: UV illumination with SuperBright SW UV lamp. Click here to see more fluorescent minerals
Fluorescent illuminated mineral Fluorite (interpenetrant-twins) on Quartz for sale from Blackdene Mine, Ireshopeburn, Weardale District, County Durham, England

Cabinet-sized Specimen

     


See similar minerals for sale:
Fluorite & Halides

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Iceland, Greenland, and the British Isles


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© 29 October 2017 John Betts - Fine Minerals, New York , NY - All Rights Reserved.
a division of allminerals.com, dealer of Fine Minerals since 1989.  

The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this site. Please contact the property owner to obtain legal permission before entering private property.