oldschoolrocker
fully equipped rock polisher
Member since January 2019
Posts: 1,540
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Post by oldschoolrocker on Nov 8, 2019 8:20:48 GMT -5
So this may be dumb question but I am wondering if there is a way to bleach fossil coral to lighten it or heat treatment to bring out colors. I recently found a piece of fossil coral that on the outside face has very distinct white polyps in clearish background. However, upon cutting into the stone the coral has hues of pink/red and yellow/orange. To me the polyps just dont pop out like the clear/white polyps do . I should be able to get a handful of slices out of the stone and was wondering what, if anything, I can do to alter the colors. Any help would be appreciated . And if there is way to alter colors I'd be happy to hear opinions on if should try or just leave as is. Pics to follow..
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oldschoolrocker
fully equipped rock polisher
Member since January 2019
Posts: 1,540
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Post by oldschoolrocker on Nov 8, 2019 8:26:44 GMT -5
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Post by fernwood on Nov 8, 2019 8:29:21 GMT -5
I would leave it natural. Nice find, BTW.
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Post by hummingbirdstones on Nov 8, 2019 9:01:23 GMT -5
I think the colors in that coral are beautiful as is, but heat treating may bring them out even more.
jamesp is the king of heat treating coral. Do a search and you'll find a bunch of threads about it.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,154
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Post by jamesp on Dec 5, 2019 5:19:26 GMT -5
I never have used any chemicals but have heated coral. That fine piece of coral is certainly a rare find in the US. Looks to be on a quality level of Indo corals. Sure would be nice to find a mother load just like it oldschoolrocker. Good to see you bringing out it's beauty.
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Post by RocksInNJ on Dec 5, 2019 8:38:26 GMT -5
Wow those are looking great. Can’t wait to see them finished.
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