ar·se·no·py·rite /ˌɑrsṇoˈpaɪˌraɪt/
  毒砂
  Ar·sen·o·pyr·ite n.  Min. A mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and mispickel.
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  arsenopyrite
       n : a silver-white or gray ore of arsenic [syn: mispickel]