Four Treasures Reference Database
Record No. 4875
Gem News: Gemstones from Laos
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1992) Gem News: Gemstones from Laos. Gems & Gemology, Vol. 28, No. 2, Summer, pp. 132–133.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, Thailand, Laos.12, sapphire, gems