Main metallic minerals in the manganese-silver concentrate were psilomelane, pyrolusite, pyrite, limonite, and a few arsenopyrite, hematite and sphalerite.

• 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；