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
U obrázku quarry (Obrázek I quarry), Písek District, South Bohemian Region, Czech Republic


Locality type:Quarry
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 U obrázku quarry (Obrázek I quarry), Písek District, South Bohemian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:824159
Long-form Identifier:1:3:824159:7
GUID (UUID V4):0
Nearest other occurrences of Smectite Group
79.0km (49.1 miles) ⓘSteinerleinbach Quarry, Röhrnbach, Freyung-Grafenau District, Lower Bavaria, Bavaria, Germany
79.7km (49.5 miles) ⓘEichberg, Unterlembach, Großdietmanns, Gmünd District, Lower Austria, Austria
79.9km (49.7 miles) ⓘEitzing Quarry, Oberfrauenwald, Waldkirchen, Freyung-Grafenau District, Lower Bavaria, Bavaria, Germany
84.8km (52.7 miles) ⓘGrögöd Quarry (G'steinert Quarry), Untergriesbach, Passau District, Lower Bavaria, Bavaria, Germany
88.5km (55.0 miles) ⓘGranodiorite quarries (incl. Kusser Quarry), Hötzendorf, Tittling, Tittling, Passau District, Lower Bavaria, Bavaria, Germany
88.9km (55.3 miles) ⓘHochleitengraben quarry (Litschauer quarry), Pfaffenschlag bei Waidhofen, Waidhofen an der Thaya District, Lower Austria, Austria
References
Škoda, R., Novák, M., Cícha, J. (2011) Uranium-niobium-rich alteration products after “písekite”, an intimate mixture of Y,REE,Nb,Ta,Ti-oxide minerals from the Obrázek I pegmatite, Písek, Czech Republic. Journal of GEOsciences, 56 (3) 317-325
 
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