Four Treasures Reference Database
Record No. 635
Gem Trade Lab Notes: Diffused star sapphire update
Journal Article
Crowningshield, G.R. (1991) Gem Trade Lab Notes: Diffused star sapphire update. Gems & Gemology, Vol. 27, No. 1, Spring, pp. 44–45.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, star sapphire, surface diffusion, treatments.6, gems