Colored Stones and Organic Materials
Benitoite: Update on Faceting and Jewelry Manufacturing
Large Cat’s-Eye Beryl from India
Emeralds Recovered Using New Techniques at the Kagem Mine, Zambia
Yellow Grossular from Tanzania
A Most Unusual Blister Pearl
Myanmar Cultured Pearl Production and New Gem Localities
Phenakite from Nigeria
Update on Rubies from Mozambique
Transparent, Bright Blue Sodalite from Afghanistan
Pseudo-Chatoyancy and Pseudo-Asterism in Sphalerite from Spain
Update on Cu-Bearing Tourmaline Mining in Mozambique
New Find Of Pink-To-Red Tourmaline in Nigeria
Synthetics and Simulants
Hydrothermal Synthetic Emerald Sold as Natural Rough from Russia
High-RI Barium-Zirconium Glass Imitation of Peridot and Other Gems
Silicon Inclusions in Black Synthetic Moissanite
Dyed Sillimanite as an Emerald Imitation
Treatments
Hydrothermal Synthetic Emerald Sold as Natural Rough from Russia
High-RI Barium-Zirconium Glass Imitation of Peridot and Other Gems
Silicon Inclusions in Black Synthetic Moissanite
Dyed Sillimanite as an Emerald Imitation
Conference Reports
31st International Gemmological Conference
2009 NAG Institute of Registered Valuers’ Conference
To view the full section, download the PDF above.
Colored Stones and Organic Materials
Benitoite: Update on Faceting and Jewelry Manufacturing
Large Cat’s-Eye Beryl from India
Emeralds Recovered Using New Techniques at the Kagem Mine, Zambia
Yellow Grossular from Tanzania
A Most Unusual Blister Pearl
Myanmar Cultured Pearl Production and New Gem Localities
Phenakite from Nigeria
Update on Rubies from Mozambique
Transparent, Bright Blue Sodalite from Afghanistan
Pseudo-Chatoyancy and Pseudo-Asterism in Sphalerite from Spain
Update on Cu-Bearing Tourmaline Mining in Mozambique
New Find Of Pink-To-Red Tourmaline in Nigeria
Synthetics and Simulants
Hydrothermal Synthetic Emerald Sold as Natural Rough from Russia
High-RI Barium-Zirconium Glass Imitation of Peridot and Other Gems
Silicon Inclusions in Black Synthetic Moissanite
Dyed Sillimanite as an Emerald Imitation
Treatments
Hydrothermal Synthetic Emerald Sold as Natural Rough from Russia
High-RI Barium-Zirconium Glass Imitation of Peridot and Other Gems
Silicon Inclusions in Black Synthetic Moissanite
Dyed Sillimanite as an Emerald Imitation
Conference Reports
31st International Gemmological Conference
2009 NAG Institute of Registered Valuers’ Conference
To view the full section, download the PDF above.
.jpg "YMAL GIA Ed")
