Wuzhou 6mm Zircon wholesale, providing excellent quality zircon, zircon 2014 latest style, long-term wholesale, as technology improved and updated machines, and now we processed zircon comparable diamonds, for a variety of industries. The basic characteristics of zircon 6mm Zircon Wholesale (1) mineral name; mineral name for zircon. (2) Color: common color zircon colorless, blue, yellow, green, brown, red, purple (3) Hardness: 6-7.5. (4) Relative density: 3.90 a 4.73. (5) luster; glass luster to adamantine luster. (6) Refractive index: 1.78-2.01. (7) birefringence slaughter: 0.001-0.059. (8) multicolor: weak. (9) absorption spectrum: absorption spectra of up to more than 2-40, 653nm for the characteristic absorption lines (10) zoom examination: common mineral inclusions, ghosting evident. Crisp, angular easy to wear. Zircon degree of crystallinity can be divided into high, medium, low profile three varieties. Refractive index, density, hardness values ??from the low-to-high type type becomes larger. High-high birefringence of zircon, zircon and low refractive index is almost unparalleled. Evaluation colorless zircon zircon most popular color, can be natural, but also made from heat-treated yellow, brown, red through. Requirements for imitation diamonds pure, high transparency, in order to cut ideals and show the dazzling color of fire better. The larger the mass, the value of the more simple. Blue Zircon is the highest value of all zircon, is also one of the popular color. Require pure bright colors, high transparency, internal cleansing, cutting perfect. Quality, the higher the value. When zircon cutting requirements to the table surface perpendicular to the optical axis gem, so when people do not see the direction of observation in the table facet after ghosting and multicolor. Zircon CZ identification and zircon gemstones like diamond, aquamarine, chrysoberyl, spinel, sapphire, synthetic cubic zirconia, synthetic rutile and glass. High refraction, high gloss, high birefringence, numerous spectral absorption lines to 653nm absorption line is characterized by a major identifying characteristics of zircon. The origin of diamonds Thailand, Sri Lanka zircon as the main production abroad. Sri Lanka to produce various colors of zircon is known, Thailand gem zircon main source. Other producing countries as well as Burma, France, Australia and Tanzania. China is also producing gem-quality zircon. Hainan Penglai producing red zircon. Phoebe produce colorless or white zirconium megacrysts. Zircon quality assessment zircon gemstone belongs to the low block, but the price difference between high and low quality as well. According to the current general standards of the market, mainly based on its evaluation of the following points. (1) Color: Zircon the most popular places in two colors, colorless and blue, which, in blue zircon higher prices. Colorless diamonds zircon only and transparent, with no shades of gray or brown diamonds that has the same color of light flashes and effect. (2) Clarity: Clarity zircon evaluation criteria is at 10 times the magnifying glass, should not have any obvious flaws, if any obvious flaws, inclusions, cracks zircon, its value will be greatly reduced . (3) PROPORTION and orientation, zircon is all the more beautiful, the main factor is due to its high refractive index and high dispersion, followed by the percentage of Cutting, polishing degree. Cutting artisans in Thailand seems to understand this, they remain standardized PROPORTION, and thus win the market. Ignore zircon Clarity, the simple pursuit of weight approach is not desirable. Due to the high refractive index and high zircon, if the optical axis is parallel or nearly parallel to the table, then the gem will appear fuzzy state birefringence caused by the back, the greater the gem of this phenomenon is more obvious. To avoid this, cut of the stone should be perpendicular to the optical axis of the table.