tourmaline

音标: ['tuməlin]
tourmaline是什么意思、tourmaline怎么读
【化】 电气石

tourmaline汉语翻译

【化】 电气石

tourmaline英语解释

名词 tourmaline:

  1. a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones