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红宝石的矿物学名称叫刚玉,红宝石是指达到宝石级的红色刚玉。化学成分为Al_2O_3可含有Cr、Fe、Ti、Mn、V等元素;摩氏硬度9;密度4.00(±0.5)g/cm~3;折光率为1.762-1.770(+0.009,-0.005)。红宝石生成的地质条件非常特殊而复杂,影响其品质好坏的天然因素和人为因素甚多。虽然以往人们对其饰品的品质有了一些评价的要素,但因广大消费者对其形成的地质条件及特有的物理性质、光学性质认识不足。
Ruby’s mineralogy name is corundum, ruby refers to reach the gem-level red corundum. The chemical composition of Al 2 O 3 can contain Cr, Fe, Ti, Mn, V and other elements; Mohs hardness of 9; density 4.00 (± 0.5) g / cm ~ 3; Refractive index of 1.762-1.770 (+0.009, -0.005). Ruby geological conditions are very special and complex, the quality of its impact on the natural and human factors are many. Although in the past people have some elements of the quality of their jewelry, but due to the vast number of consumers to their formation of geological conditions and unique physical properties, lack of understanding of the optical properties.