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

It is better wither to be silent, or to say things of more value than silence. Sooner throw a pearl at hazard than an idle or useless word; and do not say a little in many words, but a great deal in a few.
Pythagoras