Four Treasures Reference Database
Record No. 4893
Gem News: Update on Montana sapphires
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1994) Gem News: Update on Montana sapphires. Gems & Gemology, Vol. 30, No. 4, Fall, p. 276.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, United States.12, Montana.12, gems