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Gemstones, Minerals & Fossils
Gemstones and Minerals
Cleaning Copper related Minerals?
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<blockquote data-quote="user 4386" data-source="post: 519104" data-attributes="member: 4386"><p>A dentist's drill can remove some of that surface material. Not sure that I would want to though, as some consists of other minerals (e.g. white cerussite forming from the galena). With copper minerals you can tumble them, but galena is brittle and tends to break up (tumbled polished azurite and malachite can look great).</p></blockquote><p></p>
[QUOTE="user 4386, post: 519104, member: 4386"] A dentist's drill can remove some of that surface material. Not sure that I would want to though, as some consists of other minerals (e.g. white cerussite forming from the galena). With copper minerals you can tumble them, but galena is brittle and tends to break up (tumbled polished azurite and malachite can look great). [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Cleaning Copper related Minerals?
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