Gems & Gemology Vol. 55 Issue 4 (Winter 2019)

Author : Gemological Institute of America

This special issue is devoted to the geographic origin of specific colored stones. On the front cover, clockwise from left: a 64.45 mm Sri Lankan sapphire crystal, a 24.34 ct Sri Lankan blue sapphire, two cuprian tourmalines from Mozambique (55.52 and 45.74 ct), a 16.65 mm pink-purple Sri Lankan sapphire crystal, a 10.90 ct Burmese ruby, and an 11.11 ct Sri Lankan alexandrite. Courtesy of B&B Fine Gems and Evan Caplan. The back cover shows emeralds from the Chivor mine in Colombia (3.90 ct faceted stone and 2.35 cm crystal), courtesy of William Larson, Pala International. Photos by Robert Weldon/GIA.

Issued Date : 07 Apr 2020
Page : 233
Publisher : Gemological Institute of America Inc. (GIA)
Category : Gems & Gemology
Available : Unlimited

MARC INFORMATION

245 a : Title 
Gems & Gemology Vol. 55 Issue 4 (Winter 2019) 
520 a : Description 
This special issue is devoted to the geographic origin of specific colored stones. On the front cover, clockwise from left: a 64.45 mm Sri Lankan sapphire crystal, a 24.34 ct Sri Lankan blue sapphire, two cuprian tourmalines from Mozambique (55.52 and 45.74 ct), a 16.65 mm pink-purple Sri Lankan sapphire crystal, a 10.90 ct Burmese ruby, and an 11.11 ct Sri Lankan alexandrite. Courtesy of B&B Fine Gems and Evan Caplan. The back cover shows emeralds from the Chivor mine in Colombia (3.90 ct faceted stone and 2.35 cm crystal), courtesy of William Larson, Pala International. Photos by Robert Weldon/GIA. 
300 a : Total pages 
233 
020 a : ISSN 
0016-626X 
260 b : Name of publisher 
Gemological Institute of America Inc. (GIA) 
050 b : Published Year 
2019 

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