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| | Information for collectors - Books, journals, and maps for the collector |
 | | Hamilton, W.R., Woolly, A.R. et Bishop, A.C.: Les minéraux, roches et fossiles. |
 | | Kunz, George Frederick: The Curious Lore of Precious Stones. |
 | | Sofianides, Anna S. and Harlow, George E.: Gems and Crystals: From the American Museum of Natural History. |
| gsc.nrcan.gc.ca /bookstore/collect/appenda_e.php (2990 words) |
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