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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Smectite Group from
Spinks Clay No. 1 Pit, Weakley County, Tennessee, USA


Locality type:Pit
Classification
Species:'Smectite Group' (not an IMA approved species)
Formula:A0.3D2-3[T4O10]Z2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smectite Group data
Locality Data:Click here to view Spinks Clay No. 1 Pit, Weakley County, Tennessee, USA
Data Identifiers
Mindat Occurrence Record ID:951443
Long-form Identifier:1:3:951443:0
GUID (UUID V4):0
Nearest other occurrences of Smectite Group
66.5km (41.3 miles) ⓘMurray meteorite, Calloway County, Kentucky, USA
References
USGS Bulletion 1558-C
Hosterman,John W. , (1984) Ball Clay and Bentonite Deposits of the Central and Western Gulf of Mexico Coastal Plain,United States
 
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