| Domain | Definition | ||
| Mining | 1: A tetragonal mineral, (Ti, Nb, Fe)3 O6; forms a series with strueverite in which tantalum substitutes for niobium; black; sp gr, 5.14. Syn: iserine. (references) | 2: A tetragonal mineral, (Ti,Nb,Fe)3 O6 ; forms a series with strueverite in which tantalum substitutes for niobium; black; sp gr, 5.14.Syn:iserine. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
