| Before & after smoke treatment. These opals originally looked identical in transparency and play of color. |
The link below is a paper on the latest treatment given to Wollo opal - the result is not unlike Lightning Ridge Dark Crystal Opal so please be aware.
Smoke Treatment in Wollo Opal by Stone Group Labs
Have you seen this smoke treated opal? Send me your photo's or post a link!
hey did you know how to done this treatment please help me out i have many this smoked treated opal in bangkok i am wholeseller of this stone but i don't know how to treat i have to buy this stone from india but i need to do in here bangkok please help me out of this how do done this treatment if you know something abt this
ReplyDeleteThere is a multitude of this material to be seen on eBay. Some is being marketed as Lightning Ridge by a Welo dealer, another dealer from India is selling it as Welo Opal and in the treatment comment section calling the treatment "Smoked". The latter is honorable.
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