File:Blueflashglassfilledruby.jpg

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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/TimeThumbnailDimensionsUserComment
current01:52, 10 March 2010Thumbnail for version as of 01:52, 10 March 2010638 × 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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