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

Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.
Baruch Spinoza