Nolanite
(V3+,Fe3+,Fe2+,Ti)10O14(OH)2 [CNMNC approved formula]
Named for Thomas Brennan Nolan (1901-1992), formerly Director of the U. S. Geological Survey, Washington, D.C., USA.
| IMA status : | Valid species (Pre-IMA 1957) Grandfathered |
| CLASSIFICATION | |
| Dana (8th edition) : |
04.06.07.01 |
| (04) Simple Oxides | |
| (04.06) not classified | |
| (04.06.07) | |
| Nickel-Strunz (10th edition) : |
04.CB.40 |
| (04) Oxides and Hydroxides | |
| (04.C) Metal:Oxygen = 2:3, 3:5, and Similar | |
| (04.CB) With medium-sized cations | |
| Crystal system: | Hexagonal System |
| Point group (H-M): | 6mm — dihexagonal-pyramidal |