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单词 polydymite
释义

polydymite /pə'lidimait/

英汉-汉英词典
n. 辉镍矿
词组 | 习惯用语
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  • penultimate adj. 倒数第二的
  • polytheism n. 多神教,多神论

网络短语:
polydymite 辉铁镍矿; 辉镍矿; 硫镍矿;
polydymite e 辉铁镍矿
英语百科

Polydymite

Polydymite, NiNi2S4, is a supergene thiospinel sulfide mineral associated with the weathering of primary pentlandite nickel sulfide.

Polydymite crystallises in the isometric system, with a hardness of 4.5 to 5.5 and a specific gravity of about 4, is dark violet gray to copper-red, often with verdigris and patina from associated copper and arsenic sulfides, and is typically in amorphous to massive infill of lower saprolite ultramafic lithologies.

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更新时间:2025/6/22 16:22:48