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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Chalcedony from
Wimhof Quarry, Vilshofen, Passau District, Lower Bavaria, Bavaria, Germany


Locality type:Quarry
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Wimhof Quarry, Vilshofen, Passau District, Lower Bavaria, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:336606
Long-form Identifier:1:3:336606:6
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
46.9km (29.2 miles) ⓘUnnamed quarry, Neustift im Mühlkreis, Rohrbach District, Upper Austria, Austria
58.4km (36.3 miles) ⓘMayrhof, Arnreit, Rohrbach District, Upper Austria, Austria
62.2km (38.7 miles) ⓘKoglerau, Arnreit, Rohrbach District, Upper Austria, Austria
63.0km (39.1 miles) ⓘFürstenzeche (Oswald Mine), Buchet, Lam, Cham District, Upper Palatinate, Bavaria, Germany
77.1km (47.9 miles) ⓘBach Mine, Bach an der Donau, Regensburg district, Upper Palatinate, Bavaria, Germany
77.1km (47.9 miles) ⓘKittenrain Mine, Bach an der Donau, Regensburg district, Upper Palatinate, Bavaria, Germany
80.7km (50.1 miles) ⓘSulzbach No. 2 Mine, Bernhardswald, Regensburg district, Upper Palatinate, Bavaria, Germany
80.7km (50.2 miles) ⓘRadvanka quarry, Hejná, Klatovy District, Plzeň Region, Czech Republic
81.5km (50.6 miles) ⓘSulzbach No. 1 Mine, Bernhardswald, Regensburg district, Upper Palatinate, Bavaria, Germany
88.7km (55.1 miles) ⓘBohouškovice opal occurrences, Bohouškovice, Kremze, Český Krumlov District, South Bohemian Region, Czech Republic
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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