University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Anorthoyttrialite-(Y)
Anorthoyttrialite-(Y) crystal
Hölzel-No.
 
-
Type of specimen
 
HT
IMA-No. / Accepted
 
2022-1353
Chemical formula
 
Y4(SiO4)(Si3O10)
Type locality
 
Norway, Nordland, Tysfjord, Stetind quarry
Associated minerals
 
Allanite-(Ce), alnaperbøeite-(Ce), bastnäsite-(Ce), fluorite, hematite, hundholmenite-(Y), perbøeite-(Ce), rowlandite-(Y),
schlüterite-(Y), synchysite-(Y), thalénite-(Y), törnebohmite-(Ce), vyuntspakhkite-(Y)
Collection
 
Mineralogisches Museum der Universität Hamburg
Contact person
 
Dr. Stefan Peters
Catalogue−No. / Site
 
NO-011
Nature of 
type specimen

 
Crystal
References

Anorthoyttrialite-(Y), Y4(SiO4)(Si3O10), a natural representative of B-type rare earth disilicates.
Malcherek, T., Schlüter, J., & Husdal, T. (2025)
Mineralogical Magazine, 89/3, 428-442; doi:10.1180/mgm.2024.106  
Notes / Further information

Anorthoyttrialite-(Y) was discovered by Tomas Husdal in 1999 in material collected a few years earlier from the Stetind pegmatite, Narvik, Nordland, Norway.  
Last update 18. March 2026 by A. Matthies Imprint (german)