Four Treasures Reference Database
Record No. 4871
Gem News: Update on Vietnam gems
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1992) Gem News: Update on Vietnam gems. Gems & Gemology, Vol. 28, No. 4, Winter, pp. 274–275.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, ruby, sapphire, Vietnam, gems