- niocalite
- ниокалит, Ca4NbSi2Oio(Ot F); Ca14Nb2(Si2O7)4(O6F2); Ca3(Nb,Ca,Mg)4[(O,F)2|Si2O7]
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
niocalite — … Useful english dictionary
List of minerals N-R (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia