Four Treasures Reference Database
Record No. 2018
Differentiation between Russian and Colombian emerald
Journal Article
Gübelin, E.J. (1940) Differentiation between Russian and Colombian emerald. Gems & Gemology, Vol. 3, No. 6, Summer, pp. 89–92.
ISBN/ISSN: 0016626X | RWHL
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beryl, emerald, Russia, Colombia, inclusions, gems