Four Treasures Reference Database
Record No. 624
Developments and Highlights at the Gem Trade Lab in New York: Sapphire with color change
Journal Article
Crowningshield, G.R. (1961) Developments and Highlights at the Gem Trade Lab in New York: Sapphire with color change. Gems & Gemology, Vol. 10, No. 8, Winter, p. 246.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS/NIB | RWHL
corundum, color.4, gems