BLUE STONEspecializes in YIWU BLUESTONE IMPORTand YIWU BLU
1.Yiwu Bluestone Import And Export Corroration was founded in 10 years ago, After a period of rapid development, it has developed into a considerable size and effectiveness company of YIWU BLUESTONE IMPORTx2da4de5nandYIWU BLUESTONE IMPORT, NOw it is benchmark companies in 家居百货商品,礼品工艺品饰品,首饰,饰品配件 industry.
2.Innovation is the cornerstones of Yiwu Bluestone Import And Export Corrorations success. In the future, BLUE STONE also hope to continue to innovate, for the majority of customers to provide Yiwu brooch manufacturerservice. Over the years, BLUE STONE always believe that only adhere to innovation and professional, in order to better meet customer demand for First-rate industry YIWU BLUESTONE IMPORT. details: Sapphire is called Sapphire in English. It comes from Latin Spphins, meaning blue. It belongs to the corundum mineral and the three square crystal system. In the gem world, all kinds of gem grade jade called ruby are called sapphires. The mineral name of sapphire is corundum, belonging to corundum mineral. In fact, in addition to the ruby in the nature of gem-grade corundum, other colors such as blue, light blue, green, yellow, gray, colorless, etc., are called sapphire, or color sapphire, that is, before the sapphire added color name, such as pink sapphire. The chemical composition of sapphire (Al O O) is mainly Fe, Ti and coloration. Corundum contains trace elements such as iron (Fe) and titanium (Ti), and shows blue, sky blue, light blue and other colors, of which the Royal Blue and Cypress are the best. It is called "Starlight Sapphire" when it is Globoidal and contains three groups of inclusions that are parallel to and aligned directionally with the bottom and can produce beautiful six-shot stars.
Sapphire is composed of alumina, which is blue because of trace element titanium (Ti4+) or iron (Fe2+). It belongs to the trigonal system, and its crystal morphology is usually tubular, short columnar, plate, etc. The geometry is mostly granular or dense block. Transparent to translucent, glass luster. The refractive index is 1.76-1.77, the birefringence is 0.008, and the two color is strong. Heterogeneous plastids. Sometimes there is a special optical effect - the starlight effect. The hardness is 9, and the density is 3.95-4.1 grams / cubic centimeter. No cleavage and cleavage development.
3.Adhering to the "Customer Supreme Forge Ahead" management idea, BLUE STONE insists on providing the best quality and service of Yiwu brooch manufacturer,Yiwu flower headband with the "customer first" principle. Wholeheartedly welcome your patronage! Official website address: en.bluestone.net.cn
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Target City : Jinhua City
Last Update : 29 November 2018
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|Item Owner : Miss Ge|
Contact Phone: 13735646695
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