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Gemstones, Minerals & Fossils
Lapidary
Anyone treated fairy opal before?
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<blockquote data-quote="shivan" data-source="post: 305628" data-attributes="member: 194"><p>Cheers AR, i started getting a bit worried as i read a few methods that involved soaking the stone in concentrated sulfuric acid after the sugar treatment. But i believe this is for the andamooka matrix opal, which i believe has a limestone matrix rather than sandstone.</p><p></p><p>I have some opticon that i brought to treat porous bolder opal and may give that a go after i treat it. Not in a hurry so i will keep reading at the moment.</p></blockquote><p></p>
[QUOTE="shivan, post: 305628, member: 194"] Cheers AR, i started getting a bit worried as i read a few methods that involved soaking the stone in concentrated sulfuric acid after the sugar treatment. But i believe this is for the andamooka matrix opal, which i believe has a limestone matrix rather than sandstone. I have some opticon that i brought to treat porous bolder opal and may give that a go after i treat it. Not in a hurry so i will keep reading at the moment. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Anyone treated fairy opal before?
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