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Gemstones, Minerals & Fossils
Lapidary
clean remove schist around a mineral
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<blockquote data-quote="Lefty" data-source="post: 100055" data-attributes="member: 2976"><p>"I use oxalic acid to eat away the mud and gunk and remove the iron oxide staining from the chalcedony I find here. Not sure if that's what you were looking for?"</p><p></p><p>Interesting Piep. I just cabbed a small piece of chalcedony - carnelian - even though I knew it was riddled with cracks because it was a nice colour. But now that it is done, I can see that the cracks all through it are full of dirt which is giving the normally bright orange translucent stone a muddy-coloured appearence. I might give it a go.</p><p></p><p><img src="https://farm4.staticflickr.com/3881/14979200829_59416a97d7_c.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Cheers</p></blockquote><p></p>
[QUOTE="Lefty, post: 100055, member: 2976"] "I use oxalic acid to eat away the mud and gunk and remove the iron oxide staining from the chalcedony I find here. Not sure if that's what you were looking for?" Interesting Piep. I just cabbed a small piece of chalcedony - carnelian - even though I knew it was riddled with cracks because it was a nice colour. But now that it is done, I can see that the cracks all through it are full of dirt which is giving the normally bright orange translucent stone a muddy-coloured appearence. I might give it a go. [img]https://farm4.staticflickr.com/3881/14979200829_59416a97d7_c.jpg[/img] Cheers [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
clean remove schist around a mineral
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