How to say tourmaline ?



cite fb twitter pinterest

Feeling connected with this word?

What is the definition of 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
700x90 placeholder ad

Copyright © 2019 EnglishDictionary