Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Oxycalciobetafite from
Mitoko pegmatite, Itoshima City, Fukuoka Prefecture, Japan


Locality type:Pegmatite
Classification
Species:'Oxycalciobetafite' (not an IMA approved species)
Formula:Ca2(Ti,Nb)2O6O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oxycalciobetafite data
Locality Data:Click here to view Mitoko pegmatite, Itoshima City, Fukuoka Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:1211195
Long-form Identifier:1:3:1211195:6
GUID (UUID V4):0
References
Uehara, S., Enju, S. and Iwano, S. (2013) Reinvestigation of "betafite-pyrochlore" from Mitoko, Itoshima, Fukuoka Prefecture, Japan. The abstracts with PROGRAM 2013 Annual meeting of Japan Association of Mineralogical Sciences, R1–06, 58 (in Japanese).
Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1–6 (referring to Uehara et al., 2013).
 
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