INDUSTRY|chemistry · SCIENCE|natural and applied sciences|earth sciences
- colaimbít Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- niobite | columbite
- en
- Definition group of black mineral ores of niobium and tantalum [(Fe, Mn)(Nb, Ta)2O6], having a submetallic luster and a high density Reference COM-EN, based on:Wikipedia > Columbite. http://en.wikipedia.org/wiki/Columbite [28.2.2011]