Pronunciation · Spelling · Definition
How to say: tourmaline
Spelling:
Tourmaline
Syllables
tourmaline
US accent
/tˈʊɹməlˌaɪn/
UK accent
/tˈʊəməlˌaɪn/
Advertisement
Definition
Definition — 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