Please email to stating your requirements. To learn more about heat-treated gemstones read the books Beryllium-Treated Rubies & Sapphires, Flux-Enhanced Rubies & Sapphires, The Heat-Treatment of Ruby & Sapphire-2nd edition. In fact, Sapphire is the ideal gem to interpret. But the color red is reserved exclusively for its gem sister ruby, both members of the corundum mineral family. Gamini Zoysa of Mincraft in Sri Lanka, who cites strong demand. Buying gems from outlets displaying opinionated and ambiguous statements issued by commercial trade laboratories stating “heat-treated and clarity enhanced with a foreign solid substance” (that could have mean lead-filled or borax-filled stones, without full disclosure transparency concealing the facts) also, we do NOT recognize “certificates” issued by gemological laboratories known by their deceptive business practices. Sapphire called padparadscha is a special variety of in a delicate color blend of orange and red, says gem trader E. Buying gems from other sources, you do not actually know the exact nature of the treatment and therefore your research will be based on misinformation. Out of the hundreds of companies selling gems in the Internet, our 35-year old company is the only one that sells gems specifically for gemologists and labs for research purposes with guarantee treatment information, because they were treated in our lab in Bangkok. Both rubies and sapphires are varieties of the mineral corundum. Not surprisingly, when combined with fantastic colors, rubies and sapphires are some of the most highly desired gemstones. WHY YOU SHOULD BUY THESE GEMS FROM OUR US? In fact, aside from their coloring, they are essentially the same stone. A set may consist of pairs (before/after heating), rough or cut in sizes ranging 0.25 to 3 carats showing inclusion characteristics of great education value for the gemologist, gemstone appraiser, student of gemology and hobbyist wishing to study gemstone inclusions. Its known as the most effective and active simulation gemstone in Vedic astrology. This gemstone of the Corundum mineral family comes in various colours like yellow, blue, white and many more. We can compose any set of your choice suitable for any purpose subject to our inventory availability. Sapphire is an extremely precious gemstone. Quench-crackled corundum heated without flux
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