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Gemstones, Minerals & Fossils
Gemstones and Minerals
Sapphire Bend, Oberon NSW
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<blockquote data-quote="Chiron52" data-source="post: 442038" data-attributes="member: 10176"><p>At the moment they are soaking in Napisan, mostly to get dirt and caked in mud off them.</p><p>Next I was thinking of trying CLR which supposedly gets rust stains off concrete. </p><p>Also - I've read that Oxalic Acid (obtainable from Bunnings) is also good on rust stained specimens. (must be kept out of reach of children)</p><p></p><p>After a good soak in Napisan (and a scrub with a toothbrush) -</p><p></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/10176/1538114330_04.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p>The larger rock has greyish parent rock top and bottom and a vein of quartz with crystals through the center.</p><p>I hacked this out of a large quartz vein in the quarry mentioned above. (I should buy a portable diamond saw if I wish to do this again. It was hard work with a hammer and chisel.) :N: </p><p></p><p>The rock at top right clearly shows 2 pinkish/white quartz crystals.</p><p></p><p>The smaller rock displays a mass of very small crystals, but not clear in the photo.</p><p>Cheers.</p></blockquote><p></p>
[QUOTE="Chiron52, post: 442038, member: 10176"] At the moment they are soaking in Napisan, mostly to get dirt and caked in mud off them. Next I was thinking of trying CLR which supposedly gets rust stains off concrete. Also - I've read that Oxalic Acid (obtainable from Bunnings) is also good on rust stained specimens. (must be kept out of reach of children) After a good soak in Napisan (and a scrub with a toothbrush) - [img]https://www.prospectingaustralia.com/forum/img/member-images/10176/1538114330_04.jpg[/img] The larger rock has greyish parent rock top and bottom and a vein of quartz with crystals through the center. I hacked this out of a large quartz vein in the quarry mentioned above. (I should buy a portable diamond saw if I wish to do this again. It was hard work with a hammer and chisel.) :N: The rock at top right clearly shows 2 pinkish/white quartz crystals. The smaller rock displays a mass of very small crystals, but not clear in the photo. Cheers. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Sapphire Bend, Oberon NSW
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