Can any gem be burned with fire Reveal the secret of burning and not burning
There are many optimization treatment methods for common gemstones, such as painting, heat treatment, irradiation, filling, diffusion, etc. But to say that it is more common in gemstones, the most traditional and common optimization treatment method is heat treatment. And what we often call "combustion" refers to the heat treatment of gemstones.
Heat-treated Rock Creek rough sapphire and faceted gemstones of various cuts
Why burn? In fact, many gemstones are generally not as beautiful as they now appear to the public when they are discovered, and some gemstones generally have different colors. After heating, the overall color of the gem is significantly improved and it is more transparent and clean.
Gem heat treatment stems from a brief unexpected story: in 1968, in Chanthaburi, Thailand, a gem trader's office suddenly caught fire. He didn't have time to store the gems in the office and could only watch the fire spread. After the fire was over, he returned to the stage, collected the gems and found that the original Sri Lankan raw milky white sapphire package had turned to a beautiful dark blue by putting out the fire.
It is this little discovery that lets people know that burning at a high temperature can improve the color and clarity of gemstones. Subsequently, after being passed down from generation to generation, this heating method was kept. After improvement, it is widely used.
Post time: May-06-2022