Four Treasures Reference Database
Record No. 2974
Gem Trade Lab Notes: Durability of diffusion-treated sapphire
Journal Article
Crowningshield, G.R. (1992) Gem Trade Lab Notes: Durability of diffusion-treated sapphire. Gems & Gemology, Vol. 28, No. 4, Winter, p. 266.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, treatments.6, diffusion-treated, gems