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  2. Abundance of elements in Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_elements_in...

    Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of atomic number; [5] siderophiles shown in yellow Graphs of abundance against atomic number can reveal patterns relating abundance to stellar nucleosynthesis and geochemistry.

  3. 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.

  4. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    One of the largest bullion coins in the world was the 10,000-dollar Australian Gold Nugget coin minted in Australia, which consists of a full kilogram of 99.9% pure gold. In 2012, the Perth Mint produced a 1-tonne coin of 99.99% pure gold with a face value of $ 1 million AUD, making it the largest minted coin in the world with a gold value of ...

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

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

    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.

  6. NYT ‘Connections’ Hints and Answers Today, Friday ... - AOL

    www.aol.com/nyt-connections-hints-answers-today...

    Get ready for all of today's NYT 'Connections’ hints and answers for #551 on Friday, December 13, 2024. ... Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night.

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

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

    Most of the world’s true red diamonds have been produced by Western Australia’s Argyle mine, which is slated for closure in 2020, perhaps making red diamonds even rarer. Californium 4.

  8. Bushveld Igneous Complex - Wikipedia

    en.wikipedia.org/wiki/Bushveld_Igneous_Complex

    The price of platinum is quite volatile in comparison to gold, but both have greatly increased over the last century. [64] Despite platinum being far much rarer than gold, [67] 2014 was the last year platinum was valued at a higher price than gold (2018). [64] This coincides with the 2014 South African platinum strike.

  9. Platinum as an investment - Wikipedia

    en.wikipedia.org/wiki/Platinum_as_an_investment

    Investment in platinum is often compared in financial history to gold and silver, which were both known to be used as money in ancient civilizations. Experts posit that platinum is about 15–20 times scarcer than gold and approximately 60–100 times scarcer than silver, on the basis of annual mine production.