Comments by "Kate S" (@KateeAngel) on "World's Most Expensive Materials!" video.

  1. I love silver more than gold or any other metal, and opals are way cooler than other, more expensive gemstones. (It is not the monetary value that should matter the most in jewellery, as well, but the creative art of the master, and how he/she shaped the thing to be beautiful)
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  2. They are not worthless, but should be much cheaper than they are. Also, they are basically carbon, just carbon atoms in a certain arrangement
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  3. 2:35 - what if you make old nails into powder, and present is as powdered rhino horns? You can make a million from your old nails!
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