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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Feldspar Group from
Iwaguro Sekizai quarry, Tawara (Tahara), Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan


Locality type:Quarry
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Iwaguro Sekizai quarry, Tawara (Tahara), Hirukawa, Nakatsugawa City, Gifu Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:890659
Long-form Identifier:1:3:890659:5
GUID (UUID V4):0
References
Ritsuro Miyawaki et al (2004) Koubutsu-Gakkai Kou’en-Youshi, 130
MIYAWAKI, Ritsuro, MATSUBARA, Satoshi, YOKOYAMA, Kazumi, OKAMOTO, Akiyoshi (2007) Hingganite-(Ce) and hingganite-(Y) from Tahara, Hirukawa-mura, Gifu Prefecture, Japan: The description on a new mineral species of the Ce-analogue of hingganite-(Y) with a refinement of the crystal structure of hingganite-(Y) Journal of Mineralogical and Petrological Sciences, 102 (1) 1-7 doi:10.2465/jmps.051212
 
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