请输入您要查询的百科知识:

 

词条 boracite
释义
boracite
mineral
colourless, glassy borate mineral, magnesium chloroborate (Mg3B7O13Cl). It has been found as crystals embedded in sedimentary deposits of anhydrite, gypsum, and halite. A massive variety occurs as nodules in the salt-dome deposits at Stassfurt, Ger., where it has been mined as a source of boron. For detailed physical properties, see borate mineral (table).
随便看

 

百科全书收录100133条中英文百科知识,基本涵盖了大多数领域的百科知识,是一部内容开放、自由的电子版百科全书。

 

Copyright © 2004-2023 Newdu.com All Rights Reserved
更新时间:2025/7/18 5:29:13