Four Treasures Reference Database
Record No. 5380
Gem News: Sapphires from Madagascar
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1992) Gem News: Sapphires from Madagascar. Gems & Gemology, Vol. 28, No. 3, Fall, pp. 203–204.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, sapphire, Madagascar.12, gems