Hellandite (group)
Properties
| Formula | X4Y2ZT2[B4Si4O22]W2 |
| Classification | Nesosilicate |
| Members | Ferri-mottanaite-(Ce), Hellandite-(Ce), Hellandite-(Y), Ciprianiite, Ferri-hellandite-(Ce), Mottanaite-(Ce), Tadzhikite-(Ce) |
| IMA Status | IMA Approved Group Name |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Silicate, Group |