Four Treasures Reference Database
Record No. 636
Gem Trade Lab Notes: Early synthetic rubies
Journal Article
Crowningshield, G.R. (1991) Gem Trade Lab Notes: Early synthetic rubies. Gems & Gemology, Vol. 27, No. 3, Fall, pp. 177–178.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, synthetic corundum.7, gems