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Gemstones, Minerals & Fossils
Lapidary
Hi, new member, looking for advise
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<blockquote data-quote="pinfire opals" data-source="post: 482772" data-attributes="member: 14652"><p>Hi Lockie, I am no expert all self taught, but i will try and answer your questions, hopefully Wally will chime in as he seems to work with a lot of boulder recently, I have only done a few pieces and working on one at the moment. To your first part it can be either I have found, the only way to tell is keep taking small cuts from your top surface until you are satisfied. I have seen a light shined up through the opal but depends how thick it is the thinner the more you will see. Get on youtube and look up black opal direct loads and loads of info there, pretty sure there is even some boulder vids. You can get the same felt we use to polish in the dremel accs, have a look on ebay plenty of them in pkts of 5. As you would know ceruim oxide is the only way to go. You can pm me if you need any more info. All the best Lockie regards Noel.<img src="https://www.prospectingaustralia.com/forum/img/member-images/14652/1554784274_opalpen.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="pinfire opals, post: 482772, member: 14652"] Hi Lockie, I am no expert all self taught, but i will try and answer your questions, hopefully Wally will chime in as he seems to work with a lot of boulder recently, I have only done a few pieces and working on one at the moment. To your first part it can be either I have found, the only way to tell is keep taking small cuts from your top surface until you are satisfied. I have seen a light shined up through the opal but depends how thick it is the thinner the more you will see. Get on youtube and look up black opal direct loads and loads of info there, pretty sure there is even some boulder vids. You can get the same felt we use to polish in the dremel accs, have a look on ebay plenty of them in pkts of 5. As you would know ceruim oxide is the only way to go. You can pm me if you need any more info. All the best Lockie regards Noel.[img]https://www.prospectingaustralia.com/forum/img/member-images/14652/1554784274_opalpen.jpg[/img] [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Hi, new member, looking for advise
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