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
Since a politician never believes what he says, he is quite
surprised to be taken at his word.