Since 2013 – From Collectors for Collectors
| Chemische Formel | (Ca,U)2(Ti,Nb,Ta)2(O,OH)7 | |
| Familie | ||
| Farbe | rot, gelb, braun, schwarz | |
| Härte | 3-5,5 | |
| Kristallsystem | kubisch | |
| Glanz | Fettglanz;Harzglanz | |
| Form | Oktaeder, Dodekaeder | |
| Typlokalität | Madagaskar | |
| Weitere Fundorte | Kanada, Mexiko, Mosambik | |
| Bildung | Magmatisch, Pegmatit | |
| Paragenesen | Zirkon, Apatit, Calcit | |
| Pseudomorphose | ||
| Toxizität |  Radioaktiv | |
| Strichfarbe | weiß | |
| Mineralklasse | Oxide | |
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