Natural 18.60 Carat Perfect Vibrant Cushion Cut Zircon

779

存货单位: AB16 (8)
尺寸（毫米）: 16.300 x 10.600 x 8.500mm
重量 (cts): 18.600
Treatment: No Treatment
Clarity: VVS
类型: Faceted
Shape: Fancy, Emerald
颜色

Zircon is an important jewelry gemstone which is sometimes confused with the cheap and ubiquitous synthetic stone known as cubic zirconia. Of course the two are totally distinct in their chemistry, optical properties and origins. Zircon is a natural material (zirconium silicate) which is found in Cambodia, Burma and Sri Lanka as well as in Brazil, Australia and East Africa. Colorless when pure, zirconium silicate takes on various shades due to impurities. The brilliance and fire of this gemstone makes it very popular and it is attractively priced in comparison with many other fine gems. The wide variety of colors of zircon, its rarity, and its relatively low cost make it a popular collector's stone. Collectors enjoy the search for all possible colors and variations. Zircon is also a favorite of gemologists and geologists for its unique properties.

The prices and value of fine zircon vary depending on the size and quality of the gemstone. Blue is the most popular zircon color, followed by honey, red and white. Green zircon, resulting from the effects of natural radioactivity, is rare. In blue zircon, look for a saturated blue. Clean gems in large sizes are especially valuable.

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存货单位: AB16 (8)
尺寸（毫米）: 16.300 x 10.600 x 8.500 mm
重量 (cts): 18.600
Treatment: No Treatment
Clarity: VVS
类型: Faceted
Shape: Fancy, Emerald
颜色

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