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Gemstones, Minerals & Fossils
Gemstones and Minerals
Blueish rock what is it ?
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<blockquote data-quote="shivan" data-source="post: 348089" data-attributes="member: 194"><p>The only time you should be using acid to clean rocks is when you know what it is and what you want to clean away. </p><p>I use oxalic acid to remove iron staining from quartz crystals, but as lonewolf said not good on metallic minerals. Give them a good soak, then warm soapy water and a good stiff brush should get it looking ok.</p></blockquote><p></p>
[QUOTE="shivan, post: 348089, member: 194"] The only time you should be using acid to clean rocks is when you know what it is and what you want to clean away. I use oxalic acid to remove iron staining from quartz crystals, but as lonewolf said not good on metallic minerals. Give them a good soak, then warm soapy water and a good stiff brush should get it looking ok. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Blueish rock what is it ?
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