Four Treasures Reference Database
Record No. 4882
Gem News: Ruby mining near Mahenge, Tanzania
Journal Article
Koivula, J.I., Kammerling, R.C. and Fritsch, E. (1993) Gem News: Ruby mining near Mahenge, Tanzania. Gems & Gemology, Vol. 29, No. 2, Summer, p. 136.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
corundum, ruby, Tanzania, gems