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Posted:  30 Sep 2009 05:50
common treatments
EMERALD: Usually oiled with colorless oil to improve appearance.
RUBY: Usually heated to improve color and appearance.
SAPPHIRE: Usually heated to produce intensity or light color and/or improve color uniformity.
TANZANITE: Usually heated to produce violet blue color.
AQUAMARINE: Usually heated to improve color.
BLUE TOPAZ: Usually irradiated and heated to produce blue color.
TOURMALINE: Commonly irradiated to intensify pink, red and purple color.
JADE: Commonly impregnated with colorless wax.
LAPIS LAZULI: Commonly impregnated with colorless wax or oil.
CORAL: Commonly bleached.
PEARLS: Commonly bleached to improve color and appearance.
BLACK ONYX: Always dyed.
Posted:  28 Jan 2011 07:11
Today many of gemstones available in the market are somehow treated. Treatment
is organized centuries gemstones and most of her treatment until they are accepted in the gem industry as treatment are disclosed. Blue topaz and tanzanite as it almost always treated Gemstones and are therefore treated gemstones and is expected duty.
Treatment of all permanent and stable means will increase the gemstone
Last and the color will not end on time. Their treatment, more is said, are applicable to natural gemstones. A natural gemstone treatment as an artificial or synthetic gemstone is not. Synthetic gemstones natural gemstones as a man made chemical structure and generally low enough price to natural gemstones. Simulants gemstones that look like a natural gemstone, but can not be the same chemical
Combination. A cubic zirconium is a diamond simulant. It looks like a diamond but have completely different chemical structure.
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Posted:  25 Mar 2012 12:19
These days Emerald is also starting to be treated called razing. Its quite a new irradiation technique.
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Posted:  30 Mar 2012 12:48
I have tried some of the treatments on my gemstones and was quiet happy!
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Posted:  04 Apr 2012 11:13
The basic treatment and enhancement of gemstones has existed for centuries. Many enhancements improve on nature slightly, are undetectable, and they are also permanent and this provides the gem market with a larger supply of more beautiful gemstones. And other treatments produce dramatic changes in the gemstone the irradiation and heating of colorless topaz that permanently transforms it into blue topaz is best example for that.