-
Identification of "Chocolate Pearls" Treated by Ballerina Pearl Co. - Examines the "chocolate" color treatment process for cultured pearls and techniques for identifying these products
Gems and gemology , 2006
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
NOTES AND NEW TECHNIQUES - Jeremejevite: A Gemological Update - A detailed examination of this rare gemstone, using both standard and advanced testing methods
Gems and gemology , 2001
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
FEATURE ARTICLES - Characteristics of Nuclei in Chinese Freshwater Cultured Pearls - A study of approximately 41,000 samples shows evidence of tissue nucleation only
Gems and gemology , 2000
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
ABSTRACTS OF FEATURE PRESENTATIONS - BY SESSION - GEM IDENTIFICATION - The Identification of Ruby and Sapphire
Gems and gemology , 1999
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
RESEARCH ON GEM FELDSPAR FROM THE SHIGATSE REGION OF TIBET
Gems and gemology , 2011
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
FEATURE ARTICLES - The Current Status of Chinese Freshwater Cultured Pearls - Based on recent visits to the pearl farms of Hanzhou Province, the authors report on the latest techniques being used to produce Chinese freshwater cultured pearls
Gems and gemology , 2001
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
Beryllium Diffusion of Ruby and Sapphire - An in-depth report on the process and characteristics of beryllium diffusion into corundum. Examination of hundreds of Be-diffused sapphires revealed that, in many instances, standard gemological tests can help identify these treated corundums
Gems and gemology , 2003
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
The Cullinan Diamond Centennial: A History and Gemological Analysis of Cullinans I and II - Offers previously undocumented details about the largest gem diamond ever found, as well as two of the famous diamonds that were cut from it
Gems and gemology , 2006
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
The Effects of Heat Treatment on Zircon Inclusions In Madagascar Sapphires - Documents the alteration of zircon inclusions during heat treatment of sapphires at different temperatures
Gems and gemology , 2006
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft
-
Natural Pearls from Australian Pinctada Maxima
Gems and gemology , 2012
Enthalten in: Gems and gemology
OLC Kunst und Kunstwissenschaft