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Gold Prospecting
Prospecting Equipment
Acid to dissolve quartz ?
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<blockquote data-quote="Heatho" data-source="post: 16486" data-attributes="member: 487"><p>To dissolve quartz hydrofluric is the only method I have read that works.</p><p>If it were me I would'nt play with the stuff, I'd get a quote from a lab if </p><p>there were a decent amount. </p><p></p><p>Ironstone is a different matter, Hydrochloric will dissolve it off very easilly,</p><p>not as dangerous a material either.</p><p></p><p>I like DD's suggestion of thermal shock, would surely get rid of some of it.</p><p></p><p>There are a few vids on youtube dissolving quartz from silver specimens</p><p>in Hydrofluric, all in USA though.</p><p></p><p>Wish I had this dilemma. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Heatho, post: 16486, member: 487"] To dissolve quartz hydrofluric is the only method I have read that works. If it were me I would'nt play with the stuff, I'd get a quote from a lab if there were a decent amount. Ironstone is a different matter, Hydrochloric will dissolve it off very easilly, not as dangerous a material either. I like DD's suggestion of thermal shock, would surely get rid of some of it. There are a few vids on youtube dissolving quartz from silver specimens in Hydrofluric, all in USA though. Wish I had this dilemma. :) [/QUOTE]
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Gold Prospecting
Prospecting Equipment
Acid to dissolve quartz ?
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