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Topaz is a beautiful gemstone, naturally colorless and transparent. The wide range of topaz colors that are available is due to either natural trace impurities or defects in the crystal structure. Color diversity is also caused by enhancements performed by the gemstone industry. Topaz can be found in colors including yellow, orange, brown, red, blue, pink, red, violet and green.
Sell topaz gems on Export Portal, find customers all over the world. Buy topaz stones here, get the best deals online! Topaz is commonly associated with silicic igneous rocks of the granite and rhyolite type. It typically crystallizes in granitic pegmatites or in vapor cavities in rhyolite lava flows including those at Topaz Mountain in western Utah and Chivinar in South America. It can be found with fluorite and cassiterite in various areas including the Ural and Ilmen mountains of Russia, in Afghanistan, Sri Lanka, Czech Republic, Germany, Norway, Pakistan, Italy, Sweden, Japan, Brazil, Mexico; Flinders Island, Australia; Nigeria and the United States.
The most valuable topaz color is an orange to pink color known as imperial topaz. The exact color for imperial topaz is not well-defined, so a wide range of golden orange, peach and pink colored topaz is sold under this name. Some light-pink topaz gems are the result of heat treatment. A fashioned topaz that displays a combination of two colors is called bicolor topaz.
Because topaz crystals are usually elongated or columnar, they’re often cut as long oval or pear shapes to improve yield. If the rough is strongly colored, the cutter often chooses the emerald cut because that cutting style maximizes color and retains the most weight.
Topaz is cut in a wide variety of shapes and cutting styles. Production includes all the standard gem shapes such as ovals, pears, rounds, cushions, triangles, marquise, and emerald cuts as well as designer-inspired fantasy shapes.
Standard topaz cuts for the jewelry industry include a wide range of shapes and sizes. The gem is inexpensive in smaller sizes, but prices rise for gems above 10×8 mm.
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