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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Cristobalite from
Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany


02495520017368924079753.jpg
Cristobalite, etc.

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
04678570017368924084356.jpg
Cristobalite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02495520017368924079753.jpg
Cristobalite, etc.

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02699080017271999652857.jpg
Cristobalite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
04300160017272722166835.jpg
Cristobalite, etc.

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02699080017271999652857.jpg
Cristobalite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Cristobalite
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hematite2
Osumilite-(Mg)1
Data
Mineral Data:Click here to view Cristobalite data
Locality Data:Click here to view Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:85019
Long-form Identifier:1:3:85019:5
GUID (UUID V4):0
Nearest other occurrences of Cristobalite
2.2km (1.4 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.4km (2.8 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.0km (3.1 miles) ⓘScoria quarry, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.4km (3.4 miles) ⓘBasalt quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.5km (3.4 miles) ⓘEiterköpfe quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.0km (3.7 miles) ⓘLangenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.5km (4.1 miles) ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
7.8km (4.8 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.7km (5.4 miles) ⓘKarmelenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
9.1km (5.7 miles) ⓘWinfeld, Kottenheim, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Hentschel, Gerhard (1983) Die Mineralien der Eifelvulkane (1st ed.). Christian Weise Verlag. 152 pp.
 
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