Where the Colombian libra is suggested at 14.792 ozt.,
1894: 1 Troy Ounce platina (Paris: Colombian ore, 83%?) = Fr. 60.84
1894: 1 Troy Oz. platina (Paris: Chocó ore, at purity) = Fr. 73.30
1894: 1 Troy Ounce platina (London: Chocó ore, 83%?) = £ 1.15
1894: 1 Troy Oz. platina (UK: Chocó ore, at purity) = £ 1.38
1894: 1 Troy Oz. Platinum (manufactured, wholesale) = £ 2. (USD$ 9.78)
Citation: Mineral Resources of the United States 1906 (1907) p.30
The Chocó platinum is the purest and best sold in foreign markets, as it contains from 80 to 85 per cent of pure metal. Its price had already risen in 1894 to 900 francs, or £36 ($180), per pound. In spite of the high price it commands in the world's markets, the exploitation of the potentially rich platinum deposits of Colombia has been so slight that, as stated by Mr. P.P. Demers, the American consul at Barranquilla, only 661 pounds of it were produced in the Chocó in 1905.
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