Four Treasures Reference Database
Record No. 2017
Characteristics of Ceylon rubies
Journal Article
Gübelin, E.J. (1940) Characteristics of Ceylon rubies. Gems & Gemology, Vol. 3, No. 8, Winter, pp. 121–124.
ISBN/ISSN: 0016626X | RWHL
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corundum, inclusions.5, Sri Lanka.12, gems