Associations to the word «Biotite»

Wiktionary

BIOTITE, noun. (mineral) A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.

Dictionary definition

BIOTITE, noun. Dark brown to black mica found in igneous and metamorphic rock.

Wise words

Life has no meaning unless one lives it with a will, at least to the limit of one's will. Virtue, good, evil are nothing but words, unless one takes them apart in order to build something with them; they do not win their true meaning until one knows how to apply them.
Paul Gauguin