Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Franconite from
Vuoriyarvi alkaline-ultrabasic massif, Northern Karelia, Murmansk Oblast, Russia


Locality type:Massif
Classification
Species:Franconite
Formula:Na(Nb2O5)(OH) · 3H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Franconite data
Locality Data:Click here to view Vuoriyarvi alkaline-ultrabasic massif, Northern Karelia, Murmansk Oblast, Russia
Data Identifiers
Mindat Occurrence Record ID:66622
Long-form Identifier:1:3:66622:2
GUID (UUID V4):0
References
Subbotin, Viktor V., Voioshin, Anatolii V., Pakhomovskii, Yakov A., Men'shikov, Yurii P., Subbotina, Galina F. (1997) Ternovite, (Mg,Ca)Nb4O11 · nH2O, a new mineral and other hydrous tetraniobates from carbonatites of the Vuoriyarvi massif, Kola Peninsula, Russia. Neues Jahrbuch für Mineralogie - Monatshefte, 1997 (2) 49-60 doi:10.1127/njmm/1997/1997/49
Jambor, John L., Grew, Edward S., Roberts, Andrew C. (1998) New mineral names. American Mineralogist, 83 (1) 185-189
Belovitskaya, Yulia V., Pekov, Igor V. (2004) Genetic mineralogy of the burbankite group. New Data on Minerals, 39. 50-64
 
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