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  2. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    Although aluminium is the third most abundant element and the most abundant metal in the Earth's crust, it was at first found to be exceedingly difficult to extract the metal from its various non-metallic ores. The great expense of refining the metal made the small available quantity of pure aluminium more valuable than gold. [16]

  3. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.

  4. Hierarchy of precious substances - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_precious...

    The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...

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

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

    This shiny white metal is more valuable than gold. Demand has been skyrocketing recently, with the price more than doubling since early 2019. Like rhodium, palladium’s major use is in catalytic ...

  6. Platinum, Gold and More of the Most Valuable Substances in ...

    www.aol.com/platinum-gold-more-most-valuable...

    If you’re thinking of shelling out any of your hard-earned dollars for some of these expensive items, realize that their prices can fluctuate. ... 800-290-4726 more ways to reach us.

  7. History of aluminium - Wikipedia

    en.wikipedia.org/wiki/History_of_aluminium

    In comparison, the price of gold at the time was $19 per ounce. [46] French chemist Henri Étienne Sainte-Claire Deville announced an industrial method of aluminium production in 1854 at the Paris Academy of Sciences. [47] Aluminium chloride could be reduced by sodium, a metal more convenient and less expensive than potassium used by Wöhler. [48]

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

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

    Iridium is a hard, silvery metal that is one of the rarest in the world. Then there is seagull feces which didn’t quite make the list (it hasn’t been assigned a per gram value yet) but is ...

  9. Retirees: The Only 3 Precious Metals You Need to ... - AOL

    www.aol.com/retirees-only-3-precious-metals...

    Silver has an equally long history as a precious metal, also dating back to roughly 3,000 B.C. in ancient Turkey, Crete and Greece. ... and was considered more valuable than gold during the Ming ...