Cacoxenite
(Fe3+)24AlO6(PO4)17(OH)12 • 75H2O [CNMNC approved formula]
Named From the Greek kakos, meaning "wrong" and xenos, meaning "guest.;".
| IMA status : | Valid species (Pre-IMA 1825) Grandfathered |
| CLASSIFICATION | |
| Dana (8th edition) : |
42.13.05.01 |
| (42) Hydrated Phosphates Containing Hydroxyl or Halogen | |
| (42.13) | |
| (42.13.05) | |
| Nickel-Strunz (10th edition) : |
08.DC.40 |
| (08) Phosphates, Arsenates, Vanadates | |
| (08.D) Phosphates, etc | |
| (08.DC) With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 | |
| Crystal system: | Hexagonal System |
| Point group (H-M): | 6/mmm (or 6/m 2/m 2/m) — dihexagonal-dipyramidal |