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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Smoky Quartz from
Rohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany


07514080017272730847703.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
08423040017271987543025.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
00003130017363054623977.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
03238830017363054626807.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
07514080017272730847703.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
01020700017363054631580.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
00003130017363054623977.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
03238830017363054626807.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
07514080017272730847703.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
04311380017271987553880.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
06571490017363054633222.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
09784880017363054635540.jpg
Smoky Quartz

Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
Locality type:Quarry
Classification
Species:Quartz var: Smoky Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Smoky Quartz data
Locality Data:Click here to view Rohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:759809
Long-form Identifier:1:3:759809:8
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
6.4km (4.0 miles) ⓘVogelsangbach valley, Heiligenhaus, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
11.2km (6.9 miles) ⓘNeandertal limestone quarries, Mettmann, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
38.4km (23.8 miles) ⓘHohenlimburg quarry, Oege, Hohenlimburg, Hagen, Arnsberg, North Rhine-Westphalia, Germany
88.0km (54.7 miles) ⓘOranje-Nassau-I mine, Heerlen, Limburg, Netherlands
98.7km (61.3 miles) ⓘBleyberg mine, Plombières, Liège, Wallonia, Belgium
References
Harjo Neutkens collection.
 
and/or  
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