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单词 pickeringite
释义

pickeringite /'pikəriŋ,ait/

英汉-汉英词典
n. 镁明矾
词组 | 习惯用语
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  • peregrinate v. 旅行
  • blackcurrant n. 黑醋栗
  • Pickering 皮克林
  • flickering adj. 闪烁的(摇曳的;忽隐忽现的;扑动的)
pickeringite n. [矿物] 镁明矾
英语百科

Pickeringite

Pickeringite in the   Natural History Museum

Pickeringite is a magnesium aluminium sulfate mineral with formula MgAl2(SO4)4·22(H2O). It forms a series with halotrichite.

It forms as an alteration product of pyrite in aluminium rich rocks and in coal seams. It also occurs in pyrite rich hydrothermal ore deposits in arid regions. It forms in fumaroles and in caves. It occurs with kalinite, alunogen, epsomite, melanterite, copiapite and gypsum.

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更新时间:2025/6/18 19:31:38