Four Treasures Reference Database
Record No. 3148
Developments and highlights at GIA’s Lab in New York: Treated blue sapphires
Journal Article
Crowningshield, G.R. (1979) Developments and highlights at GIA’s Lab in New York: Treated blue sapphires. Gems & Gemology, Vol. 16, No. 5, Spring, p. 147.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS/NIB | RWHL
corundum, color.4, treatments.6, gems