PROSPECTIVE RARE METALS:
- Rare Light Metals: Beryllium (Be), Lithium (Li), Rubidium (Rb)
- Rare Refractory Metals: Niobium (Nb), Tantalum (Ta), Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Rhenium (Re)
- Rare Trace Metals: Gallium (Ga), Indium (In), Germanium (Ge), Hafnium (Hf), Rhenium (Re)
- Rare Earth Metals: Scandium (Sc), Europium (Eu), Terbium (Tb), Dysprosium (Dy), Neodymium (Nd), Cerium (Ce), Lanthanum (La), Yttrium (Y)
- Rare Radioactive Metals: Uranium (U), Thorium (Th)
Ph.D. Natalia Petrovskaya, 2016
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