Four Treasures Reference Database
Record No. 7578
Chivor-Somondoco Emerald Mines of Colombia
Book
Canova, L.J. (1921) Chivor-Somondoco Emerald Mines of Colombia. New York, Colombian Emerald Syndicate Ltd., 30 pp.
Sinkankas/Born No.: 1141 | not seen
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Beryl, emerald mines and mining Colombia. [from old catalog], gems