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    | Gemstone Chart |  |  Natural Zircon Zircon is a mineral belonging to the group of nesosilicates. It is one of the heaviest gemstones, which means that it will look smaller than other varieties of the same weight. Zircon occurs in a wide range of colours,the most popular colour is blue zircon. The wide variety of colours of zircon, its rarity, and its relatively low cost make it a popular collector's stone.
 Color: Brown, blue, red, orange, white, green
 Categories: semi-precious stone
 Chemical Composition: ZrSiO4
 Crystal Group: Tetragonal
 Refractive Index: 1.780-1.984
 Hardness: 7.5
 Density: 4.00-4.73
 Occurrence: Ceylon, Burma,France, Norway, East Africa,Australia, SE Asia.
 
 
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