| 单词 | beryl |
| 释义 | Word Frequency beryl(ˈbɛrɪl) noun a white, blue, yellow, green, or pink mineral, found in coarse granites and igneous rocks. It is a source of beryllium and is sometimes used as a gemstone; the green variety is emerald, the blue is aquamarine. Composition: beryllium aluminium silicate. Formula: Be3Al2 Si6O18. Crystal structure: hexagonal Derived forms beryline (ˈberyline) adjective Word origin C13: from Old French, from Latin bēryllus, from Greek bērullos, of Indic origin |
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