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Gadolinite-Datolite Group

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A chemically very complex group of Be/B-silicates.

Nd-dominant members have been reported (Kolitsch et al., 2008; Pršek et al., 2010).

Classification of Gadolinite-Datolite Group URL:
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Relationship of Gadolinite-Datolite Group to other Species

Group Members:
Bakerite Ca4(H5B5Si3O20)
Calcybeborosilite-(Y) (Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2
Datolite Ca(HBSiO5)
Gadolinite-(Ce) (Ce,La,Nd,Y)2Fe2+Be2Si2O10
Gadolinite-(Nd) Nd2Fe2+Be2O2(SiO4)2
Gadolinite-(Y) Y2Fe2+Be2Si2O10
Hingganite-(Ce) (Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2
Hingganite-(Y) (Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2
Hingganite-(Yb) (Yb,Y,REE)2□Be2[SiO4]2(OH)2
Homilite Ca2(Fe2+,Mg)B2Si2O10
Minasgeraisite-(Y) CaBe2Y2Si2O10

Other Names for Gadolinite-Datolite Group

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Gadolinite-Datolite Group

Reference List:
DeMartin, F., Pilati, T., Diella, V., Gentile, P. & Gramaccioli, C. M. (1993): A crystal-chemical investigation of Alpine gadolinite. Can. Mineral. 31, 127-136.

Demartin, F., Minaglia, A. & Gramaccioli, C. M. (2001): Characterization of gadolinite-group minerals using crystallographic data only: the case of hingganite-(Y) from Cuasso al Monte, Italy. Canadian Mineralogist 39, 1105-1114.

Kolitsch, U., Brandstätter, F. & Blass, G. (2008): Baryt, Bismuthinit, Brannerit, Cobaltit, Coelestin, Glieder der Gadolinitgruppe, Galenit, Krupkait, "inkommensurabel modulierter Krupkait", Prehnit, ein Smektitmineral, Stellerit und Strontianit aus den Deponien des Kraftwerkbaues im hinteren Gasteinertal (Sportgastein), Salzburg. Pp. 250-252 in: Niedermayr, G. et al. (2008): Neue Mineralfunde aus Österreich LVII. Carinthia II, 198./118., 223-274 (in German).

Pršek, J., Ondrejka, M., Baéik, P., Budzyń, B., Uher, P. (2010): Metamorphic-hydrothermal REE mineralization in the Bacúch magnetite deposit, western Carpathians, Slovakia: Sr,S-rich monazite-(Ce) and Nd-dominant hingganite. Canadian Mineralogist, 48, 81-94.

Bačík, P., Fridrichová, J., Uher, P., Pršek, J., Ondrejka, M. (2014): The crystal chemistry of gadolinite-datolite group silicates. Canadian Mineralogist, 52, 625-642.

Internet Links for Gadolinite-Datolite Group URL:
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Localities for Gadolinite-Datolite Group

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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