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Brown Gemstone ID help please
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<p>[QUOTE="Bronwen, post: 9407289, member: 5833"]Unglazed white tile. It has been suggested in these pages that, if you have no other surface to use, the underside of a toilet tank lid can serve. According to my mineral guide, hematite leaves a "blood-red" streak. Same book says the streak for chalcedony is white, but does not say whether colors such as sard, cornelian & chrysoprase leave a streak in their respective colors.</p><p><br /></p><p>Just because we love to do it, has UV light been tried.</p><p><br /></p><p>This puzzles me greatly:</p><p><br /></p><p><img src="https://www.antiquers.com/attachments/e23eb921-eeb5-4916-8adc-48195e61f9d9-jpeg.431200/" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="Bronwen, post: 9407289, member: 5833"]Unglazed white tile. It has been suggested in these pages that, if you have no other surface to use, the underside of a toilet tank lid can serve. According to my mineral guide, hematite leaves a "blood-red" streak. Same book says the streak for chalcedony is white, but does not say whether colors such as sard, cornelian & chrysoprase leave a streak in their respective colors. Just because we love to do it, has UV light been tried. This puzzles me greatly: [IMG]https://www.antiquers.com/attachments/e23eb921-eeb5-4916-8adc-48195e61f9d9-jpeg.431200/[/IMG][/QUOTE]
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