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0.91 031 1.0 2.0 opml

Mining Equipment, Mining Properties, Gold Mines & Gold Panning by BC Gold, British Columbia, Canada

Mining Equipment, Mining Properties, Lode Gold and Placer Mining by BC Gold, British Columbia, Canada

Opal
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An amorphous or microcrystalline mineral, SiO2.nH2O; commonly used as a gem or semi precious stone. Varieties from Lightning Ridge, Australia are among the highest in commercial value due to their striking colour 


gold claims, mining properties, gold mines for sale and more!
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