English dictionary
tourmaline meaning and definition
Definition and meaning of tourmaline at MeaningMonkey.org. tourmaline meaning and definition in the English Dictionary.TOURMALINE noun
Definition of tourmaline (noun)
- 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
Source: Princeton University Wordnet