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1.YIWU BLUESTONE IMPORTx2da4de5nandYiwu rubber necklaceof Yiwu Bluestone Import And Export Corrorationis favored by the majority of customers love, We have established long-term cooperation with many partner, Yiwu girls necklace,Yiwu crystal brooches companyfrom BLUE STONEmeet the needs of our customers. BLUE STONEstrength,abide by contract, keep faith, take quality and credit of contract,obtained the customer trust and praise.
2.Yiwu Bluestone Import And Export Corroration has been devoted to study the needs of Bluestone industrial customers, ant tailored to customers demand and solutions. The advantage of BLUE STONE lies not only in the industry-leading technology and the elite professional team, but also to provide excellent services in Fashion jewelry,brooch,hair accessories,and the enthusiasm of positive innovation and faith of respect promise . Become a customer trusted YIWU BLUESTONE IMPORT various models are available integrated service providers, to help customers realize the business value of YIWU BLUESTONE IMPORT, is BLUE STONE unswerving mission and pursuit. 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.With the purpose of Quality first, service is paramount in BLUE STONE, our strict product quality control system ensures that Yiwu girls necklace,Yiwu brooch company and other products of high quality and stability. We have a first-class laboratory equipment and a highly experienced professional and technical team. In the future, we will continue to work hard and get win-win cooperation for a better tomorrow! For more information, please visit the official website: en.bluestone.net.cn
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|Target State: All States|
Target City : Jinhua City
Last Update : 11 November 2018
Number of Views: 62
|Item Owner : Miss Ge|
Contact Phone: 13735646695
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