An overview of the potential effects that heat treatment can have on corundum.
Read MoreA review of heat treatment methods available for use on natural or synthetic corundum.
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Advances in technology and increased demand for lower-priced gem materials contributed to the proliferation of new treatments throughout the first decade of the 2000s.
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During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges.
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