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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Heulandite Subgroup from
Tono mine (Tohno mine), Tsukiyoshi uranium ore deposits, Mizunami City, Gifu Prefecture, Japan


Locality type:Mine
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Tono mine (Tohno mine), Tsukiyoshi uranium ore deposits, Mizunami City, Gifu Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:601862
Long-form Identifier:1:3:601862:7
GUID (UUID V4):0
References
Shikazono, N., Utada, M. (1997) Stable isotope geochemistry and diagenetic mineralization associated with the Tono sandstone-type uranium deposit in Japan. Mineralium Deposita, 32 (6) 596-606 doi:10.1007/s001260050125
 
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