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Gems & Gemology Vol. 55 Issue 4 (Winter 2019)
Gemological Institute of America
Gems & Gemology Vol. 55 Issue 3 (Fall 2019)
Gemological Institute of America
Gems & Gemology Vol. 55 Issue 2 (Summer 2019)
Gemological Institute of America
Gems & Gemology Vol. 55 Issue 1 (Spring 2019)
Gemological Institute of America
Gems & Gemology Vol. 54 Issue 4 (Winter 2018)
Gemological Institute of America
Gems & Gemology Vol. 54 Issue 3 (Fall 2018)
Gemological Institute of America
Gems & Gemology Vol. 54 Issue 2 (Summer 2018)
Gemological Institute of America
Gems & Gemology Vol. 54 Issue 1 (Spring 2018)
Gemological Institute of America
Gems & Gemology Vol. 53 Issue 4 (Winter 2017)
Gemological Institute of America
Gems & Gemology Vol. 53 Issue 3 (Fall 2017)
Gemological Institute of America
Gems & Gemology Vol. 53 Issue 2 (Summer 2017)
Gemological Institute of America
Gems & Gemology Vol. 53 Issue 1 (Spring 2017)
Gemological Institute of America