 | | Journal (issue) | | and Robert C. Kammerling Sapphires from Southern Vietnam Christopher P. Smith, Robert C. Kammerling, Alice...from basaltic terrains in southern provinces of Vietnam have been entering the gemstone market since the...of the sapphire-producing areas-Phan Thiet and Di Linh-confirmed that the sapphires occur in association...and with relatively sophisticated equipment at Di Linh. Investigation of 250 faceted samples revealed...is gawat directw offfie Gemotogtod Institute of Vietnam, Hanoi. Seethe attheendofthearticle. Qms & Genvtow |  | | Book | | Sapphires-History, idenrification, value, etc. I.Title. 3. Corundum-History, identification, value, ere. 4. Precious...composition 48 The corundum suucture 48 Crystallography of corundum 50 Twinning in corundum 52 Morphology...inclusions 97 Describjng inclusions 99 Overview of corundum inclusions I 00 Country descriptions of inclusions...100 24 Acknowledgments 1 S 20 7 Synthetic corundum 139 Alchemist's dreams 139 Enter Verneuil 141...visible abso rpcion spectra I 54 Synthetic scar corundum 155 Czochralski (pulling) process 159 Floating-zone |
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