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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

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

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

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

Photo below under shortwave ultraviolet illumination:
Fluorite and Siderite from Boltsburn Mine, Rookhope, County Durham, England

DESCRIPTION:No. 27516
Mineral:Fluorite and Siderite
Locality:Boltsburn Mine, Rookhope, County Durham, England
Description:Cubic crystal of greenish-gray fluorite with partial coating on some faces of brown siderite microcrystals. The fluorite fluoresces under UV illumination. To learn about this mine that closed in 1950 see Rocks and Minerals, Nov.-Dec. 2004, p. 389-391. Ex. A. Lincoln Sherk II, MD. (1896-1970)
Overall Size:8x7x5.5 cm
Crystals:micro to 5 cm
Archived: For reference only

 

 

 

 

 

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