请输入您要查询的字词:

 

单词 biotite
释义 biotite
[`bī·ǝ´tīt]
MINERALOGY
A black, brown, or dark green, abundant and widely distributed species of rock-forming mineral belonging to the mica group; its chemical composition is variable: K2[Fe(II),Mg]6- 4[Fe(III),Al,Ti]0-2(Si6-5,Al2-3) O20-22 (OH,F)4-2. Also known as black mica; iron mica; magnesia mica; magnesium-iron mica.
随便看

 

科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/9/29 22:12:24