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单词 polybasite
释义

polybasite /ˌpɒlɪ'beɪsaɪt//pə'lɪbəsaɪt/

英汉-汉英词典
n. 硫锑铜银矿
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  • Polynesia n. 波利尼西亚(中太平洋的岛群)
  • alabaster n. 雪花石膏;条纹大理石;石膏色 adj. 雪白的;雪花石膏制的
  • plebiscite n. 平民表决;公民投票
  • politesse n. 优雅;礼貌;(法)客气
  • apposite adj. 适当的;贴切的
polybasite n. [矿物] 硫锑铜银矿

网络短语:
polybasite e 硫锑铜银矿
英语百科

Polybasite

Unusual polybasite specimen from Mayo Mining District, Yukon Territory, Canada. Size 3.0 x 2.2 x 1.3 cm.

Polybasite is a sulfosalt mineral of silver, copper, antimony and arsenic. Its chemical formula is [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4].

It forms black monoclinic crystals (thin, tabular, with six corners) which can show dark red internal reflections. It has a Mohs hardness of 2.5 to 3. It is found worldwide and is an ore of silver. The name comes from the number of base metals in the mineral.

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