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:
- 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