Four Treasures Reference Database
Record No. 1629
Safiras do Rio Coxim, Mato Grosso
Sapphires of the Coxim River, Mato Grosso
Journal Article
Souza Campos, J.E., de (1960) Safiras do Rio Coxim, Mato Grosso. [Sapphires of the Coxim River, Mato Grosso] Gemologia, Vol. 6, No. 21, pp. 1–8.
Sinkankas/Born No.: NIS / NIB | Language: in Portuguese | not seen
corundum, Brazil.12, gems
Describes sapphire crystals from the Coxim River area of Mato Grosso, Brazil, noting unusual rounded inclusions resembling the gas bubbles commonly associated with synthetic corundum.