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2. Precious metal - Wikipedia

   en.wikipedia.org/wiki/Precious_metal

   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 around $50 million AUD. [2] China has produced coins in very limited quantities (less than 20 pieces minted) that exceed 8 kilograms (260 ozt) of gold.

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. 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.

6. Overrated: Platinum jewelry expensive solution for non ...

   www.aol.com/.../09/14/overrated-platinum-for-jewelry

   Platinum is a particularly useful metal; over a third of the annual world production goes for catalytic converters, and new fuel cell technology depends on it as well. However, when it comes to ...

7. Platinum as an investment - Wikipedia

   en.wikipedia.org/wiki/Platinum_as_an_investment

   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. Since 2014, platinum prices have fallen lower than gold. Approximately 75% of global platinum is mined in South Africa. [1]