Four Treasures Reference Database
Record No. 5388
Gem News: More on diffusion-treated sapphires
Journal Article
Koivula, J.I. and Kammerling, R.C. (1991) Gem News: More on diffusion-treated sapphires. Gems & Gemology, Vol. 27, No. 1, Spring, p. 53.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, treatments.6, diffusion-treated, gems