Four Treasures Reference Database
Record No. 789
Gem Trade Lab Notes: Heat-treated yellow-orange sapphires
Journal Article
Fryer, C.W. (1981) Gem Trade Lab Notes: Heat-treated yellow-orange sapphires. Gems & Gemology, Vol. 17, No. 4, Winter, p. 230.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS/NIB | RWHL
corundum, treatments.6, gems