蓝色蓝宝石

洛根蓝宝石是已知最大的蓝色蓝宝石，重423克拉（84.6克）。

The Logan sapphire is one of the largest blue sapphire gems known . It weighs 423 carats ( 84.6 g ) .

运用Photoshop图形处理软件，对世界著名产地的蓝色蓝宝石进行颜色测试，确定其H，S，B值，进行了颜色分级。

The aim of this paper is to carry out the colour grading of the blue sapphires from the famous localities in the world according to their values of H , S , B determined by means of Photoshop Microsoft .

热处理蓝色蓝宝石和辐照黄色蓝宝石在450375387nm处的吸收较未处理的弱，辐照黄色蓝宝石在405nm处有吸收带。

Irradiated yellow sapphire has absorption in 405 nm . Absorption in 450 , 375 , 387 nm of heat-treated blue sapphire and irradiated yellow sapphire is weaker than that of the untreated .

浅谈山东靛蓝色天然蓝宝石的高品质加工与热处理

Top Quality Processing and Heat Treatment of Natural Sapphires in Shandong

伴随蓝色眼妆的时尚风潮而来的，是一种怀旧的感觉，但是也有人争论说更具现代气息的钴蓝色、蓝宝石色和海蓝色才是值得青睐的。

The vogue for blue eye make-up brings with it a sense of nostalgia but a coming of age contends that more contemporary hues of cobalt , sapphire and aquamarine are worthy of your devotion and it doesn 't stop there .