ˈhȯrnˌblend, ˈhȯ(ə)n- noun
Etymology: German, from horn horn (from Old High German) + blende blende — more at horn , blende
1. : a mineral approximately Ca 2 Na(Mg,Fe) 4 (Al,Fe,Ti) 3 Si 6 O 22 (O,OH) 2 consisting of the common black, dark green, or brown variety of aluminous amphibole, containing considerable iron, and occurring as distinct crystals and in columnar, fibrous, and granular form
2. : amphibole