Four Treasures Reference Database
Record No. 4878
Gem News: Update on diffusion-treated sapphires
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1992) Gem News: Update on diffusion-treated sapphires. Gems & Gemology, Vol. 28, No. 1, Spring, pp. 62–63.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, sapphire, treatments.6, surface diffusion, gems