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

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

    Platinum is actually 30 times rarer than gold and far more durable. Beluga Caviar. 22. Beluga Caviar. Cost: Up to $35 per gram. Beluga is a specific type of caviar that is the most expensive in ...

  3. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    The Krugerrand is the first modern example of measuring in "pure gold": it should contain at least 12 ⁄ 11 ounces of at least 11 ⁄ 12 pure gold. Other bullion coins (for example the British Sovereign) show neither the purity nor the fine-gold weight on the coin but are recognized and consistent in their composition.

  4. Roblox - Wikipedia

    en.wikipedia.org/wiki/ROBLOX

    Roblox began to grow rapidly in the second half of the 2010s, and this growth was accelerated by the COVID-19 pandemic. [11] [12] Roblox is free to play, with in-game purchases available through a virtual currency called Robux. As of August 2020, Roblox had over 164 million monthly active users, including more than half of all American children ...

  5. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    While the difficulty of obtaining macroscopic samples of synthetic elements in part explains their high value, there has been interest in converting base metals to gold (Chrysopoeia) since ancient times, but only deeper understanding of nuclear physics has allowed the actual production of a tiny amount of gold from other elements for research ...

  6. 18 Most Expensive Gemstones in the World - AOL

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

    18. Platinum. Cost: $33.02 per gram Platinum is a beautiful precious metal that is in a similar category as gold and silver. All three of these metals are frequently traded in the global markets ...

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

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

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  8. Platinum - Wikipedia

    en.wikipedia.org/wiki/Platinum

    Platinum is more ductile than gold, silver or copper, thus being the most ductile of pure metals, but it is less malleable than gold. [14] [15] Its physical characteristics and chemical stability make it useful for industrial applications. [16] Its resistance to wear and tarnish is well suited to use in fine jewellery.

  9. Platinum vs. Gold Investment: Which Is Better?

    www.aol.com/finance/platinum-vs-gold-investment...

    Platinum and gold are two precious metals and … Continue reading → The post Platinum vs. Gold Investment: Which Is Better? appeared first on SmartAsset Blog.