The gemological refractometer is characterized by small volume and less weight.
这种宝石折射仪的特点是小巧轻便.
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It dark green, light yellow - green spots, other gemological properties similar to omphacitic jade.
它呈深绿色, 有淡黄绿色斑点, 其他宝石学特徵与绿辉石质翡翠相似.
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The spectral analysis techniques have been applied to the gemological study and gemstone identification.
波谱分析技术已被成功地应用于宝石学研究和宝石鉴定领域.
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