Four Treasures Reference Database
Record No. 6115
Gem News International: New blue sapphire from Rakwana, Sri Lanka
Journal Article
Stone-Sundberg, J., Hsu, T., Weldon, R. and Blauwet, D. (2020) Gem News International: New blue sapphire from Rakwana, Sri Lanka. Gems & Gemology, Vol. 56, No. 1, Spring, pp. 169–170.
ISBN/ISSN: 0016626X | RWHL*
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gems, corundum, Sri Lanka.12, Rakwana