| PGM | Blagodat | Niznhi-Tagilsk |
| Pt | 92.7% | 93.4% |
| Ir | 1.0% | 0.1% |
| Os | 0.1% | 0.0% |
| Ru | 0.0% | 0.0% |
| Pd | 0.1% | 1.5% |
| Rh | 3.3% | 5.0% |
| Iron | 0.0% | 0.0% |
| Cu | 0.0% | 0.0% |
| Au | 0.0% | 0.0% |
| Osmiridium | 2.8% | 0.1% |
Citation: Minerals Yearbook 1913 p.451
The Canadian Mining Institute (USD$?):
May 31, 2010
UK/Russia, 1874 - 1907: Crude vs. Ingot Prices
After refining Iron, Copper and debris, the PGM purity of Russian platina would be ~3% Iridium in 'hard ingot.'
Citation: Minerals Yearbook 1913 p.451
The Canadian Mining Institute (USD$?):
Citation: Minerals Yearbook 1913 p.451
The Canadian Mining Institute (USD$?):
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