- 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
| 单词 | hornblende |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 horn•blende (hôrn′blend′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: hornblende /ˈhɔːnˌblɛnd/ n
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