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Pleochroism and cutting https://gemologyonline.com/Forum/phpBB2/viewtopic.php?f=86&t=25056 |
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Author: | Isi [ Mon Mar 18, 2019 6:18 am ] |
Post subject: | Pleochroism and cutting |
An interesting educative article about pleochroism related to cutting. http://www.lotusgemology.com/index.php/ ... LjNv3HbB28 |
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