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单词 alunogen
释义

alunogen /ə'lu:nədʒən/

英汉-汉英词典
毛矾石
词组 | 习惯用语
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  • alongside adv. 在旁边 prep. 在 ... 旁边
  • hallucinogen n. 迷幻剂
  • halogen n. 卤素
  • Paleogene adj. 【地质】古第三纪的(迄今6600万至2300万年前);古近纪的;早第三纪的;下第三系的 n. 古近纪;古第三纪
alunogen n. [矿物] 毛矾石;水硫酸铝石

网络短语:
meta alunogen 变毛矾石
英语百科

Alunogen

Alunogen also called feather alum and hair salt is a colourless to white (although often coloured by impurities, such as iron substituting for aluminium) fibrous to needle-like aluminium sulfate mineral. It has the chemical formula Al2(SO4)3·17H2O.

It is often found on the walls of mines and quarries as a secondary mineral. It can be found in the oxidation zones of some ore deposits as well as on burning coal dumps (i.e., as the product of millosevichite hydration). It also forms as a low temperature deposit in fumaroles. It occurs associated with pyrite, marcasite, halotrichite, pickeringite, epsomite, potash alum, melanterite and gypsum.

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