Associations to the word «Tourmaline»

Wiktionary

TOURMALINE, noun. A complex black or dark coloured borosilicate mineral.
TOURMALINE, noun. A transparent gemstone cut from it.

Dictionary definition

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.

Wise words

Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth.
Friedrich Nietzsche