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Yttrialite-(Y) from
Høgetveit Feldspar Quarry, Evje og Hornnes, Aust-Agder, Norway

Locality type:Quarry
Classification
Species:Yttrialite-(Y)
Formula:(Y,Th)2Si2O7
Comments:Usually surruonded by biotite and partly covered by a thick crust of tengerite-(Y). Difficult to distingush from Keiviite-(Y) (Thalenite-(Y) in hand specimens.
Chemical composition close to theoretical formula RE2Si2O7
Habit:masses
Colour:Dark reddish brown, metamict
Confirmation
Validity:Believed Valid
References
References:Nilssen, B. (1971): Yttrialite from Ivedal, Iveland, South Norway. Norsk Geologisk Tidsskrift 51, 1-8
Associated Minerals Based on Photo Data:
Keiviite-(Y)1 photo of Yttrialite-(Y) associated with Keiviite-(Y) at this locality.
Tengerite-(Y)1 photo of Yttrialite-(Y) associated with Tengerite-(Y) at this locality.
Data
Mineral Data:Click here to view Yttrialite-(Y) data
Locality Data:Click here to view Høgetveit Feldspar Quarry, Evje og Hornnes, Aust-Agder, Norway
Nearest other occurrences of Yttrialite-(Y)
5.5km (3.4 miles) A Kåbuland, Iveland, Aust-Agder, Norway
6.0km (3.7 miles) B Kåbuland 04 Feldspar Quarry, Kåbuland, Iveland, Aust-Agder, Norway
16.0km (9.9 miles) C Ivedal 1 Feldspar Prospect, Ivedal, Iveland, Aust-Agder, Norway
Mineral and/or Locality  
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