The technological conditions of the preparation of zinc sulfate with smithsonite as raw materials was reported.
本文报道了用菱锌矿作原料,制备硫酸锌的工艺条件.
Three-quarrel-river belt of NW Yunnan is rich in the resources of gem-jade stones, such as aquamarine, tourmaline, topaz, rock crystal, aventurine quartzite, smithsonite, serpentine jade and purplish red jasper rock, etc.
滇西北三江并流带宝玉石资源主要有海兰宝石、碧玺、黄玉、水晶、东陵石、菱锌矿、蛇纹石质玉(岫玉)和紫红色碧玉岩等。
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