Vigezzite
(Ca,Ce)(Nb,Ta,Ti)2O6 [CNMNC approved formula]
Named for the locality : Orcesco, on Alpe Rosso, Val Vigezzo, Italy.
| IMA status : | Approved Species 1979 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
08.03.07.01 |
| (08) Multiple Oxides with Nb, Ta, and Ti | |
| (08.03) where A (B2O6) | |
| (08.03.07) | |
| Nickel-Strunz (10th edition) : |
04.DF.05 |
| (04) Oxides and Hydroxides | |
| (04.D) Metal:Oxygen = 1:2 and similar | |
| (04.DF) With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra | |
| Crystal system: | Orthorhombic System |
| Point group (H-M): | mmm (or 2/m 2/m 2/m) — dipyramidal |