Integrating G&G with GIA’s Gemology Education
By Duncan Pay, Editor-in-Chief
We're creating synergy within GIA by supplementing our education curriculum with relevant research from G&G. This tie-in exposes the tremendous amount of important work that G&G authors—both internal and external to GIA—have done to enrich our collective knowledge and share it with a wider, younger audience.
Localities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read MoreFaceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read More
Optical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read More
Optical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read More
Localities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read More
Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read MoreOptical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read MoreOptical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read MoreLocalities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read MoreFaceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read MoreOptical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read MoreOptical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read More
Nephrite Jade from Val Malenco, Italy: Review and Update
Nephrite Jade from Val Malenco, Italy: Review and Update
Nephrite Jade from Val Malenco, Italy: Review and Update
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
How variations in UV lamp output can affect observed fluorescence color and intensity.
How variations in UV lamp output can affect observed fluorescence color and intensity.
How variations in UV lamp output can affect observed fluorescence color and intensity.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
The latest advances and findings from GIA laboratories.
Your guide to the latest gem and jewelry books and other media.
Global coverage of gem sources, notable new gem materials, and recent industry developments.
Summaries of important gem and jewelry articles recently published elsewhere.
THE DR. EDWARD J. GÜBELIN
CVD Synthetic Diamonds from Gemesis Corp
Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses
Gemstones from Vietnam: An Update
Le Thi-Thu Huong, Tobias Häger, Wolfgang Hofmeister, Christoph Hauzenberger, Dietmar Schwarz, Pham Van Long, Ursula Wehmeister, Nguyen Ngoc Khoi, and Nguy Tuyet Nhung
Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
J. C. (Hanco) Zwaan, Dorrit E. Jacob, Tobias Häger, Mário T. O. Cavalcanti Neto, and Jan Kanis
CVD Synthetic Diamonds from Gemesis Corp
Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses
Gemstones from Vietnam: An Update
Le Thi-Thu Huong, Tobias Häger, Wolfgang Hofmeister, Christoph Hauzenberger, Dietmar Schwarz, Pham Van Long, Ursula Wehmeister, Nguyen Ngoc Khoi, and Nguy Tuyet Nhung
Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
J. C. (Hanco) Zwaan, Dorrit E. Jacob, Tobias Häger, Mário T. O. Cavalcanti Neto, and Jan Kanis
past gems & gemology issues
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.jpg "YMAL GIA Ed")
Integrating G&G with GIA’s Gemology Education
By Duncan Pay, Editor-in-Chief
We're creating synergy within GIA by supplementing our education curriculum with relevant research from G&G. This tie-in exposes the tremendous amount of important work that G&G authors—both internal and external to GIA—have done to enrich our collective knowledge and share it with a wider, younger audience.
Localities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read MoreFaceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read MoreOptical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read More
Optical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read More
Localities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read More
Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read MoreOptical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read MoreOptical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read MoreLocalities
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Read MoreFaceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
Read MoreOptical Properties
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Read MoreOptical Properties
Optical Defects in Diamond:
A Quick Reference Chart
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
Read MoreNephrite Jade from Val Malenco, Italy: Review and Update
Nephrite Jade from Val Malenco, Italy: Review and Update
Nephrite Jade from Val Malenco, Italy: Review and Update
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Fluorescence Produced by Optical Defects in Diamond
Optical Defects in Diamond:
A Quick Reference Chart
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Optimizing Face-Up Appearance in Colored Gemstone Faceting
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
How variations in UV lamp output can affect observed fluorescence color and intensity.
How variations in UV lamp output can affect observed fluorescence color and intensity.
How variations in UV lamp output can affect observed fluorescence color and intensity.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
A simple chart on optical defects in diamond, including those that produce coloration and fluorescence colors.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
How contrast patterns can increase perceived brightness and optimize a gemstone's appearance.
The latest advances and findings from GIA laboratories.
Your guide to the latest gem and jewelry books and other media.
Global coverage of gem sources, notable new gem materials, and recent industry developments.
Summaries of important gem and jewelry articles recently published elsewhere.
THE DR. EDWARD J. GÜBELIN
CVD Synthetic Diamonds from Gemesis Corp
Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses
Gemstones from Vietnam: An Update
Le Thi-Thu Huong, Tobias Häger, Wolfgang Hofmeister, Christoph Hauzenberger, Dietmar Schwarz, Pham Van Long, Ursula Wehmeister, Nguyen Ngoc Khoi, and Nguy Tuyet Nhung
Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
J. C. (Hanco) Zwaan, Dorrit E. Jacob, Tobias Häger, Mário T. O. Cavalcanti Neto, and Jan Kanis
CVD Synthetic Diamonds from Gemesis Corp
Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses Wuyi Wang, Ulrika F. S. D’Haenens-Johansson, Paul Johnson, Kyaw Soe Moe, Erica Emerson, Mark Newton, and Thomas M. Moses
Gemstones from Vietnam: An Update
Le Thi-Thu Huong, Tobias Häger, Wolfgang Hofmeister, Christoph Hauzenberger, Dietmar Schwarz, Pham Van Long, Ursula Wehmeister, Nguyen Ngoc Khoi, and Nguy Tuyet Nhung
Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil
J. C. (Hanco) Zwaan, Dorrit E. Jacob, Tobias Häger, Mário T. O. Cavalcanti Neto, and Jan Kanis
past gems & gemology issues
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