Decorative article, for personal adornment or interior decoration, incorporating precious or semiprecious stones, not containing precious metal, except as minor constituent
装饰品,供个人或室内装饰用,装有宝石或半宝石,不含贵金属,除非作为次要成份
The precious metal minerals exist mainly in serpentines and account for 46.67%. The precious metal minerals existing in chalcopyrite account for 25.03%. Other carrier minerals are nickel sulfides, pyrite, and magnetite etc.
贵金属矿物主要分布在蛇纹石中,占46.67%,有25.03%的贵金属矿物分布在黄铜矿中,其他载体矿物有镍硫化物、黄铁矿和磁铁矿等。
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