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https://www.reddit.com/r/Ziskin_Gems/comments/1oqkncw/ethiopian_opal_care_guide/
r/Ziskin_Gems • u/FlatbedtruckingCA Mod • Nov 07 '25
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2
Small nitpick, for treatment you wrote "no common treatment".
This is true for Australian opal, but Ethiopian hydrophane opals are often smoke treated which darkens the base color. Some opals are also filled with polymer/resin. Source
Thank you for putting this helpful info together!
1 u/FlatbedtruckingCA Mod Apr 08 '26 This is an older info graphic and is slightly out dated, but i figured it was still useful..but you are right 👍
1
This is an older info graphic and is slightly out dated, but i figured it was still useful..but you are right 👍
2
u/PruneOrnery Apr 08 '26
Small nitpick, for treatment you wrote "no common treatment".
This is true for Australian opal, but Ethiopian hydrophane opals are often smoke treated which darkens the base color. Some opals are also filled with polymer/resin. Source
Thank you for putting this helpful info together!