Main metallic minerals in the manganese-silver concentrate were psilomelane, pyrolusite, pyrite, limonite, and a few arsenopyrite, hematite and sphalerite.
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释义
该锰银精矿的主要金属矿物为硬锰矿、软锰矿、黄铁矿、褐铁矿、少量毒砂、赤铁矿和闪锌矿;
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