Four Treasures Reference Database
Record No. 4862
Gem News: Rubies from Vietnam?
Journal Article
Koivula, J.I. and Kammerling, R.C. (1990) Gem News: Rubies from Vietnam? Gems & Gemology, Vol. 26, No. 2, Summer, pp. 163–164.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, ruby, Vietnam, gems