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Gemstones, Minerals & Fossils
Gemstones and Minerals
How do you know if it's worth faceting
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<blockquote data-quote="SneakyCuttlefish" data-source="post: 362613" data-attributes="member: 3340"><p>Squint. Lapidary club is a great way to get into the world of gems. Just beware the ever present curmudgeon lol.</p><p></p><p>Shane below are your images above. I circled a few things for education purposes. Your stone looks a lot like a topaz. A simple indication for topaz is that they always feel very cool to the touch and have a denser more stone like feel that quartz. Quartz feels a lot like handling glass. It is also claimed that if you strike 2 topaz together it sparks under low light and gives of a welding smell (probably the release of fluorine gas). I have never tried it myself but the old tin miners swear it does. </p><p></p><p>This image clearly shows 2 inclusions in the stone. Probably bubble veils rather than cracks. Impossible to tell how deep they go without handling the stone. These kinds of inclusions don't usually effect the cutting of the stone as they aren't cracks and can sometimes add a bit of character.</p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/3340/1506764335_flaw_1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The circled flaws in this pic are only shallow and are removed very early in the faceting process. They won't effect the stone in anyway. If you see bright flaws like these that are big or in the middle of the stone, they can be an issue. </p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/3340/1506764662_flaw_2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="SneakyCuttlefish, post: 362613, member: 3340"] Squint. Lapidary club is a great way to get into the world of gems. Just beware the ever present curmudgeon lol. Shane below are your images above. I circled a few things for education purposes. Your stone looks a lot like a topaz. A simple indication for topaz is that they always feel very cool to the touch and have a denser more stone like feel that quartz. Quartz feels a lot like handling glass. It is also claimed that if you strike 2 topaz together it sparks under low light and gives of a welding smell (probably the release of fluorine gas). I have never tried it myself but the old tin miners swear it does. This image clearly shows 2 inclusions in the stone. Probably bubble veils rather than cracks. Impossible to tell how deep they go without handling the stone. These kinds of inclusions don't usually effect the cutting of the stone as they aren't cracks and can sometimes add a bit of character. [img]https://www.prospectingaustralia.com/forum/img/member-images/3340/1506764335_flaw_1.jpg[/img] The circled flaws in this pic are only shallow and are removed very early in the faceting process. They won't effect the stone in anyway. If you see bright flaws like these that are big or in the middle of the stone, they can be an issue. [img]https://www.prospectingaustralia.com/forum/img/member-images/3340/1506764662_flaw_2.jpg[/img] [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
How do you know if it's worth faceting
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