hornblende Hear it!

hornblende Definition

horn·blende (hôrn′blend′)

noun

a hard, heavy, dark-colored, monoclinic mineral, one of the amphiboles, (Ca,Na)(Mg,Fe,Al)(Al,Si)O(OH)

Etymology: Ger: see horn & blende

hornblende Usage Examples

Modifies a noun

gneiss: The hornblende gneiss is dark in color and occurs as pods and bands within the lighter colored gneiss.