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

Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.
Napoleon Hill