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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Nontronite from
Tin mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany


Locality type:Mine
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Tin mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:77471
Long-form Identifier:1:3:77471:6
GUID (UUID V4):0
Nearest other occurrences of Nontronite
9.1km (5.7 miles) ⓘMoldava deposit, Moldava, Teplice District, Ústí nad Labem Region, Czech Republic
31.3km (19.5 miles) ⓘPorphyrite quarry, Wurgwitz, Freital, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
60.1km (37.4 miles) ⓘGreifensteine, Ehrenfriedersdorf, Erzgebirgskreis, Saxony, Germany
74.3km (46.1 miles) ⓘAmerika Quarry, Penig, Mittelsachsen, Saxony, Germany
84.3km (52.4 miles) ⓘSteinberg basanite quarry, Ostritz, Görlitz District, Saxony, Germany
89.0km (55.3 miles) ⓘJenichen Quarry (Jehnichen Quarry; Jähnichen Quarry), Königshain, Görlitz District, Saxony, Germany
98.1km (61.0 miles) ⓘHorní Slavkov uranium ore district, Horní Slavkov, Sokolov District, Karlovy Vary Region, Czech Republic
References
Jahn, Steffen (1999) Größte Zinnlagerstätte Mitteleuropas: Geologie, Bergbaugeschichte und Mineralien von Altenberg in Sachsen [Largest tin deposit in Central Europe: Geology, mining history and minerals from Altenberg in Saxony]. Mineralien-Welt, 10 (2). 17-39
 
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