这些谱图可以作为宝石鉴定的标准对照谱。
These Raman spectra can be used for future gem evaluation and gem iden...
在作为宝石使用的所知道的120种矿石中,只有25种是现在珠宝业通常使用的。
Of 120 minerals known to have been used as gemstones, only about 25 are in common use in today jewelry.
电气石一种复合晶体硅酸盐,含有铝、硼和其它元素,用于电子仪器制造,其绿色,透明及蓝色的变体可作为宝石。
A complex crystalline silicate containing aluminum, boron, and other elements, used in electronic instrumentation and, especially in its green, clear, and blue varieties, as a gemstone.
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