Four Treasures Reference Database
Record No. 4888
Gem News: Unusual double star sapphire
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1993) Gem News: Unusual double star sapphire. Gems & Gemology, Vol. 29, No. 3, Fall, p. 212–213.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, Nepal.12, gems