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To Test Platinum Ore Mineral Equipments

The associated minerals are generally the ores of lead inc and carbonate of iron. Barite may be the gangue or veinstone. Antimony is worth from 10 to 15 cents a pound. Platinum This metal is only found native. and it is killing the European mines. The Cornish miners put their tin ore on a shovel when they wish to test it. The sample

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