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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Volborthite from
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany


08701130017367641521248.jpg
Volborthite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05670090017272006377019.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
07410030017272006427722.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05919680017362898463051.jpg
Volborthite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
04030030017367641531261.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
07780460017363971385498.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05682070017367641549484.jpg
Volborthite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05670090017272006377019.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
07410030017272006427722.jpg
Volborthite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Volborthite
Formula:Cu3(V2O7)(OH)2 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Malachite3
Data
Mineral Data:Click here to view Volborthite data
Locality Data:Click here to view Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:76768
Long-form Identifier:1:3:76768:2
GUID (UUID V4):0
Nearest other occurrences of Volborthite
5.8km (3.6 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
9.1km (5.7 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
9.7km (6.0 miles) ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
10.3km (6.4 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
12.7km (7.9 miles) ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
27.2km (16.9 miles) ⓘErl, Kasbach-Ohlenberg, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
34.4km (21.4 miles) ⓘWartgesberg, Strohn, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
36.9km (22.9 miles) ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
37.8km (23.5 miles) ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
38.2km (23.7 miles) ⓘNerother Kopf, Neunkirchen, Daun, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
References
Lapis, 15 (5), 9-36.
 
and/or  
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