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 Post subject: Black Ethiopia opal
PostPosted: Fri Oct 27, 2017 3:42 am 
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Hi. i am very new here and very happy to be here.
got some question, is there anyway i can take out the black color form the black Ethiopia opal?


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 Post subject: Re: Black Ethiopia opal
PostPosted: Sat Oct 28, 2017 2:08 pm 
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Location: North Carolina
I assume you mean treated black opals? If the treatment was done right then it should be permanent, but I have seen some that left stains on the white cloth they were stored in so a few soaks in acetone or even water might do it in some less common cases.

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