Definition:(Mineralogy) a lead antimony sulfide mineral that forms metallic greymonoclinic crystals硫銻鉛礦liú tī qiān kuàngFormula:Pb5Sb4S11Origin:named after Charles Boulanger,French mining engineer,and-iteExample:The quartz from the gold-bearing quartz vei......(本文共 693 字) [閱讀本文] >>


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