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Fluorite, Rogerley Mine, England; 3 1/2" across

The Rogerley Mine in northern England is operated by "UK Mining Ventures." This locality is mined for green fluorite and this is one of the finest Rogerley pieces in thi size range in existence. Cal Graeber and Jesse Fisher are the two principals of this company which mined fluorite seasonally at Rogerley every year since 1998. It is one of the few mineral specimen mines that has operated at a profit. In stark contrast, over 90% of mineral specimen mines loose money.


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