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antimony mining percentage

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Slate Creek (ARDF #MM153) Sb - mrdata.usgs.gov The Slate Creek or Taylor antimony mine has produced a total of about 679 tons of hand-picked antimony ore. Production from the time the mine opened before 1916 to the end of World War II totaled about 325 tons of ore averaging 49 percent antimony. From World War II to 1983, the mine produced about 354 tons of ore that averaged 60 percent antimony. Antimony (Sb) - Chemical properties, Health and ... Antimony. Antimony is a semimetallic chemical element which can exist in two forms: the metallic form is bright, silvery, hard and brittle; the non metallic form is a grey powder. Antimony is a poor conductor of heat and electricity, it is stable in dry air and is not attacked by dilute acids or alkalis. Quien Sabe Antimony Mine San Benito County, California ... Metallurgical investigations of ore from the Quien Sabe mine indicate an over-all recovery of 85 percent of the antimony in concentrates, by treating combined sink products and minus-lO0-mesh portion by fine grinding and flotation. No production has been attempted by the present operator - The Cordero Mining .    Read More