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It subsequently fell to US$774 per troy ounce ($25/g) in November 2008. [8] As of 21 November 2022, the platinum spot price in New York was $980 [9] per ounce, compared to $1,742 per ounce for gold [10] and $20.84 per ounce for silver. [11] Platinum is traded in the spot market with the code "XPT". When settled in United States dollars, the ...
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Keeping your jewelry clean helps to ensure that the gemstone (s) keep a good appearance and prevents dirt and grease (among others) from loosening them. Dirty jewelry may also cause skin irritation. [ 1] A professional cleaning may take anywhere from a few minutes to a few days depending on the circumstances. The cleaner would first inspect the ...
Graphite flakes can cost around US$0.9/kg carbon. [20] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. [21] 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0. ...
Platinum. Cost: $27.10 per gram. ... and all three are often used for beautiful objects like jewelry. Platinum is actually 30 times rarer than gold and far more durable. ... USA TODAY. Fantasy ...
Before paying hard-earned cash for platinum jewelry this holiday season, look for the stamp to make sure you're getting what you pay for, the U.S. Federal Trade Commission says. The FTC announced ...
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [6] [7] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
Precious metals occurring as fission products. Ruthenium and rhodium are precious metals produced as a small percentage of the fission products from the nuclear fission of uranium. The longest half-lives of the radioisotopes of these elements generated by nuclear fission are 373.59 days for ruthenium and 45 days for rhodium [clarification needed].
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