Vicanite-(Ce)
(Ca,Ce,La,Th)15As5+(As3+,Na)0.5Fe3+0.7Si6B4(O,F)47 [CNMNC approved formula]
Named after its locality: Vican (Vico lake) volcanic complex at Tre Croci, Ventralla (north of Rome), Latium, Veterbo provicne, Italy.
| IMA status : | Approved Species 1995 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
54.03.01.01 |
| (54) Nesosilicate Borosilicates and Some Beryllosilicates | |
| (54.03) | |
| (54.03.01) Vicanite Group | |
| Nickel-Strunz (10th edition) : |
09.AJ.35 |
| (09) Silicates | |
| (09.A) Nesosilicates (Isolated tetrahedron) structures | |
| (09.AJ) Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4 | |
| Crystal system: | Trigonal System |
| Point group (H-M): | 3m — ditrigonal-pyramidal |
| Comments: | Radioactive. |