China restricts metal exports in response to US tariffs. Why they're important.
China hits back at U.S. tariffs by restricting export of crucial metals: tungsten, tellurium, bismuth, molybdenum and indium.
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The World's Rarest Mineral Is So Rare It's Only Ever Been Found Once
The stone itself was purchased in 2010 at a market in Chaung-gyi in Myanmar by gemologist Kyaw Thu, who thought the raw gem was a mineral ... to synthetic BiSbO 4 – bismuth antimonate ...
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Critical raw materials
These are the materials included on the European Commission's official list of critical raw materials. The list identifies 34 individual critical raw materials including two (copper and nickel) that ...