USA, 1900: PGM Prices, Cited by Colorado Assayist

1/4/1900:

1900: 1 Troy Ounce platina (SF: Ore, Spot) = USD$ 14.00

Citation: Mining and Scientific Press, Vol. 79-80 1/6/1900 p.17


1900: 1 Ozt. Platinum (NYC: Imported Ore, Spot) = USD$ 17.75
December 1900: 1 Ozt. Platinum (NYC: Imported Ore, Spot) = USD$ 18.20
 
Citation: Engineering and Mining Journal, p.826, Vol. 71 (6/29/1901)


The sudden rise of Platinum must have alarmed many dentists and suppliers, but the spread between wholesale product was significant. On 1900, Platinum was about 36% more expensive than Gold and 3,058% more expensive than Silver.

1900: 1 Ozt. Platinum (NYC: Imported Ingot, Mkt Avg.) = USD$ 18.09

Citation: Engineering and Mining Journal, Vol. 112, #12 ; American Institute of Mining Engineers (1921), p.478


1900: 1 Ozt. platina (NYC: Imported Ore, Spot) = USD$ 18.35

1900: 1 Ozt. Platinum (NYC: Refined, Avg.) = USD$ 21.77

1900: 1 Ozt. Platinum (Trade: Mfg.) = USD$ 23.15

1900: 1 Ozt. Platinum (Trade: Bid, Scrap) = USD$ 15.
1900: 1 Ozt. Platinum (Trade: Dental, Mfg.) ~ USD$ 22.
1900: 1 Ozt. Platinum (Trade: Dental, Mfg.) ~ USD$ 30.

??: 1 Ozt. Platinum (SF, Trade: Semi-Mfg.) = USD$ 14.00
 April? 1900: 1 Ozt. Platinum (SF, Trade: Semi-Mfg.) = USD$ 24.88

c. April, 1900:

Citation: In Yellowest Jaunia and the Way Out: Or, "Sound Money" Versus Self Money; Alfred Emerson (1901) p.20

Citation: The Dental Cosmos, Edward C. Kirk, 1900, p.5

In 2010, Platinum (POP avg $ 1,609.) was +31% more than Gold (POG avg $ 1,225.) and +7,945% more than Silver (POP avg $ 20.)

As a reference, Scientific American reprinted data in 1903, apparently from the same news source, with other metals and including some German prices in USD$ (below.)

1900: 1 Ozt. Platinum (NYC: Imported Ingot, Spot) = USD$ 18.50
1900: 1 Ozt. Platinum (NYC: Imported Mfg, Whols.) = USD$ 22.39

1900: 1 Ozt. Palladium (Semi-Mfg, mkt) = USD$ 46.65

1900: 1 Ozt. Iridium (Ore) = USD$ 15.55

1900: 1 Ozt. Iridium (Refined) = USD$ 33.28

1900: 1 Ozt. Osmium (Refined, Mkt) = USD$ 62.20

1900: 1 Ozt. Rhodium (Refined, Mkt) = USD$ 101.08

1900: 1 Ozt. Ruthenium (Refined, Mkt) = USD$49.76

Citation: Analysis, detection and commercial value of the rare metals: A treatise ... Julius Ohly (1903) pp.58, 80








 

December 1900: 
December 1900: 1 Ozt. Platinum (NYC Mkt: Ingot, .999) = USD$ 18.20-18.50
December 1900: 1 Ozt. Platinum (NYC Retail Ware) = USD$ 22.395
Citation: Engineering and Mining Journal, p.21 (Vol. 71 (1/5/1901)


In San Francisco, the refined Platinum price had nearly doubled in 1900.

1898/9: 1 Ozt. Platinum (semi-mfg, SF mkt) = USD$ 14.
Early 1900: 1 Ozt. Platinum (CA: semi-mfg, trade) = USD$ 24.88

Citation: In yellowest jaunia and the way out: or, "Sound money" versus self money ;  Alfred Emerson p.21 
 


Citation: Scientific American reference book (1903) pp.447-8

1900-1:

1900:

1900: 1 Troy Oz. platina (US ore, NYC Spot: intrinsic?) = USD$ 18.00

Citation: The Mineral Industry, Vol. 9 p.5

Edison's Lamp Filament 3.47 Grains Troy