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N 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: Be3Al2Si6O18. Crystal structure: hexagonal 绿柱石
The beryls were studied in this paper by using the electron microprobe analyses and back scattered-electron imaging.
利用电子探针和背散射电子成像技术对该岩脉中绿柱石进行了较系统分析。
Its feet were red with the blood of a newly-slain kid, and its loins girt with a copper belt that was studded with seven beryls.
双足以新祭的小山羊血染红，腰间缠一根以七块绿玉装嵌的铜制腰带。
The growth sector boundaries in natural beryls have been investigated by means of X-ray topography and optical birefringence topography.
用X射线形貌术及光学双折射形貌术对天然绿柱石晶体中的生长区界面进行了研究。
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