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    Yiwu Bluestone import And Export Corrorationis a YIWU BLUESTONE importx2da4dfen,Yiwu flower headbandin one large multi-functional integrated modern enterprise,and devote the high-quality brooch manufacturers in china and first-class service for the masses of customers.

   Yiwu Bluestone import And Export Corroration is specialized in Home merchandise,Gift crafts jewelry,Jewelry since established in 10 years ago.So far,our company has established its branch companies in major cities throughout the country.Formed in The 5th floor, No. 333, Wangdao Road, Beiyuan Street,Yiwu City,Jinhua City,Zhejiang Province,China as the center, the radiation sales system and service network.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.

   Adhering to the spirit of enterprise, BLUE STONE bases on long-term development, technology as the core, market-oriented, and constantly open up new areas, undertaking to provide fast, high-quality service for the vast numbers of users. For further information about BLUE STonEkilt pin brooch, please visit our official website: en.bluestone.net.cn.