Four Treasures Reference Database
Record No. 29380
The topaz mines of Ouro Preto
Journal Article
Bastos, F.M. (1964) The topaz mines of Ouro Preto. Lapidary Journal, Vol. 18, pp. 918–920.
Sinkankas/Born No.: NIS/NIB | not seen
gems, Brazil, topaz, imperial topaz, Capão, Minas Gerais