Silica Flux Ore, Kasuga Mine, Kagoshima Pref., Japan [132373]

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:150.00 USD Estimated At:300.00 - 600.00 USD
Silica Flux Ore, Kasuga Mine, Kagoshima Pref., Japan [132373]
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A large sample of silica flux ore that has gold content of 0.09 oz/ton. This material could be used in the smelting of precious metal ores to help remove impurities while contributing a small amount of gold to the final product. This specimen is approx 5.25 x 3 x 1.25 inches and weighs about 370.4 grams. Japan William Mayrsohn Collection