Trends ofhornblende
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hornblende in British English
(ˈhɔːnˌblɛnd)
noun
a black or greenish-black mineral of the amphibole group, found in igneous and metamorphic rocks. Composition: calcium magnesium iron sodium aluminium aluminosilicate. General formula: (Ca,Na)2.3(Mg,Fe,Al)5Si6(Si,Al)2O22(OH)2
Derived forms
hornblendic (ˌhornˈblendic) adjective
Word origin
C18: from German Horn horn + blendehornblende in American English
(ˈhɔrnˌblɛnd)
noun
a hard, heavy, dark-colored, monoclinic mineral, one of the amphiboles, (Ca,Na)2-3(Mg,Fe,Al)5(Al,Si)8O22(OH)2
Word origin
Ger: see horn & blendeImage ofhornblende
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