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单词 dichroite
释义

dichroite /'daikrəuait//daɪˈkroˌaɪt/

英汉-汉英词典
n. 堇青石
词组 | 习惯用语
您要查找的是不是:
  • diachronic adj. 历时的
  • chromite n. 亚铬酸盐;铬铁矿
  • anchorite n. 隐士
  • bichromate n. 重铬酸盐
dichroite n. [矿物] 堇青石(等于cordierite)

网络短语:
cordierite dichroite 堇青石
中文百科

堇青石 Cordierite

(重定向自Dichroite)
Crystal structure of Cordierite

堇青石CordieriteDichroite),是一种硅酸盐矿物,由变质岩演变而成,当中包含花岗岩的成份。其化学成分是 Mg2Al3(AlSi5O18),属于正交晶系,摩氏硬度为7,具有强烈的多色性,颜色大致有青色、绿色、灰色及蓝色之特征。

英语百科

Cordierite 堇青石

(重定向自Dichroite)
Crystal structure of Cordierite

Cordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate. Iron is almost always present and a solid solution exists between Mg-rich cordierite and Fe-rich sekaninaite with a series formula: (Mg,Fe)2Al3(Si5AlO18) to (Fe,Mg)2Al3(Si5AlO18). A high temperature polymorph exists, indialite, which is isostructural with beryl and has a random distribution of Al in the (Si,Al)6O18 rings.

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更新时间:2025/6/22 5:04:29