File:Blueflashglassfilledruby.jpg
From The Gemology Project
Blueflashglassfilledruby.jpg (638 × 565 pixels, file size: 107 KB, MIME type: image/jpeg)
Blue flashes in a glass filled ruby, diagnostic for lead-glass filing.
© Tim Spauwen
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:52, 10 March 2010 | ![]() | 638 × 565 (107 KB) | Tim (talk | contribs) | Blue flashes in a glass filled ruby, diagnostic for lead-glass filing. <br /> © Tim Spauwen |
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