Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Nontronite from
Streuspitz, Weißenstadter Forst-Nord, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany


Locality type:Quarry
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 Streuspitz, Weißenstadter Forst-Nord, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:76370
Long-form Identifier:1:3:76370:1
GUID (UUID V4):0
Nearest other occurrences of Nontronite
1.6km (1.0 miles) ⓘReinersreuth quarry (Köhlerloh quarry), Reinersreuth, Sparneck, Hof District, Upper Franconia, Bavaria, Germany
5.6km (3.5 miles) ⓘUranium deposit, Rudolfstein, Weißenstadt, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
11.1km (6.9 miles) ⓘFuchsbau quarry, Tröstauer Forst-West, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
28.6km (17.8 miles) ⓘGroßer Teichelberg (Teichelberg; Teichlberg), Pechbrunn, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
31.9km (19.8 miles) ⓘBasalt works, Triebendorf, Wiesau, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
35.7km (22.2 miles) ⓘLudwig-Vereinigt Feld Mine, Schönbrunn, Bösenbrunn, Vogtlandkreis, Saxony, Germany
37.3km (23.2 miles) ⓘTännig, Bad Lobenstein, Saale-Orla District, Thuringia, Germany
37.5km (23.3 miles) ⓘPfaffenreuth, Leonberg, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
48.6km (30.2 miles) ⓘHenneberg Quarry, Weitisberga, Wurzbach, Saale-Orla District, Thuringia, Germany
66.4km (41.2 miles) ⓘHorní Slavkov uranium ore district, Horní Slavkov, Sokolov District, Karlovy Vary Region, Czech Republic
References
Hirschmann, Günter (1987) Mineralfunde vom Waldstein in Fichtelgebirge [Mineral discoveries from Waldstein in the Fichtelgebirge]. Lapis, 12 (11) 25-28
 
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