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A general guide for using the Forum with some rules and tips
The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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| Search found 1 match |
| Author | Message |
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 Topic: How to clean cinnabar? |
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| Erik Buck Replies: 5 Views: 19192 |
 Forum: Conserving, Preparing and Cleaning Minerals Posted: Nov 14, 2009 12:03 Subject: How to clean cinnabar? |
| My wife has some jewelry made of cinnabar, HgS, which is a pretty red. It seems to be turning black, possibly changing to metacinnabar? How can she clean it or restore it? | |
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