Natural Occurrence, Minerals (native Metal, Solid Solution, Silicide, and Carbide, Sulfides and Relatet Compounds, Halogenides and Oxyhalogenides, Oxides of Type MO)
Gmelin Handbook of Inorganic and Organometallic Chemistry - 8th Edition Element T-H Th. Thorium (System-NR. 44) Supplement A-E Supplement Part a the Element Section 1 Gmelin Th.Thoriumdsuppl Vol PT A/1 Minerals (Silicates). Deposits. Mineral Ind