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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    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. ...

  3. 18 Most Expensive Gemstones in the World - AOL

    www.aol.com/finance/18-most-expensive-gemstones...

    15. Iridium. Cost: $162.26 per gram. Iridium is a hard, silvery metal that is one of the rarest in the world. It's also extremely corrosion resistant. Iridium is mainly used as a hardening agent ...

  4. From Seagull Poop to Plutonium: The Most Valuable ... - AOL

    www.aol.com/gold-caviar-most-valuable-substances...

    Cost: $53.37 per gram. Iridium is a hard, silvery metal that is one of the rarest in the world. ... A pure, 1-carat diamond can easily fetch a price in the six digits per gram. Prices can vary ...

  5. Iridium - Wikipedia

    en.wikipedia.org/wiki/Iridium

    Iridium in bulk metallic form is not biologically important or hazardous to health due to its lack of reactivity with tissues; there are only about 20 parts per trillion of iridium in human tissue. [22] Like most metals, finely divided iridium powder can be hazardous to handle, as it is an irritant and may ignite in air. [66]

  6. List of countries by price level - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_price...

    The Global price level, as reported by the World Bank, is a way to compare the cost of living between different countries. It's measured using Purchasing Power Parities (PPPs), which help us understand how much money is needed to buy the same things in different places. Price level indexes (PLIs), with the world average set at 100, are ...

  7. Synthesis of precious metals - Wikipedia

    en.wikipedia.org/wiki/Synthesis_of_precious_metals

    Since a typical used nuclear fuel contains about 3% fission products, one ton of used fuel will contain about 1.9 kg of ruthenium. The 103 Ru and 106 Ru will render the fission ruthenium very radioactive. If the fission occurs in an instant then the ruthenium thus formed will have an activity due to 103 Ru of 109 TBq g −1 and 106 Ru of 1.52 ...

  8. 15 Celebrities Who Were Caught In Scandalous Affairs In 2024

    www.aol.com/lifestyle/15-celebrities-got-caught...

    USA TODAY. Mass power outages hit Puerto Rico on New Year's Eve: Here's what to know. Weather. NBC Universal. The first meteor shower of 2025 will peak this week. Advertisement. Advertisement.

  9. From Seagull Poop to Plutonium: The Most Valuable ... - AOL

    www.aol.com/finance/gold-caviar-most-valuable...

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