PROSPECTIVE RARE METALS:
- Rare Light Metals: Beryllium (Be)
- Rare Refractory Metals: Rhenium (Re), Hafnium (Hf), Tantalum (Ta), Tungsten (W)
- Rare Trace Metals: Germanium (Ge), Indium (In), Gallium (Ga), Tellurium (Te), Selenium (Se)
- Rare Earth Metals: Terbium (Tb), Dysprosium (Dy), Praseodymium (Pr), Neodymium (Nd), Europium (Eu), Yttrium (Y), Scandium (Sc), Erbium (Er)
- Rare Radioactive Metals: Uranium (U)
© Ph.D. Natalia Petrovskaya, 2018
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