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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Tridymite from
Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany


04811890017272310952623.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
00569440017272034313758.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02671210017272034304133.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
06050100017272034322790.jpg
Tridymite, etc.

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
04811890017272310952623.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
08894110017368061544844.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
06382710017368061548758.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02063110017368061551237.jpg
Tridymite, etc.

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
04811890017272310952623.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
05832430017272034347664.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
02671210017272034304133.jpg
Tridymite

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
06050100017272034322790.jpg
Tridymite, etc.

Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Tridymite
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Magnetite3
Pyroxene Group2
Hematite1
Cristobalite1
Data
Mineral Data:Click here to view Tridymite data
Locality Data:Click here to view Nickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:85076
Long-form Identifier:1:3:85076:0
GUID (UUID V4):0
Nearest other occurrences of Tridymite
2.2km (1.4 miles) ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.3km (3.3 miles) ⓘScoria quarry, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.0km (3.7 miles) ⓘBasalt quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.3km (3.9 miles) ⓘLeilenkopf, Brohl-Lützing, Bad Breisig, Ahrweiler, Rhineland-Palatinate, Germany
6.6km (4.1 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
7.0km (4.4 miles) ⓘHerchenberg quarry, Burgbrohl, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
7.1km (4.4 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
7.6km (4.7 miles) ⓘEiterköpfe quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.1km (5.1 miles) ⓘLangenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.6km (5.4 miles) ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Hentschel, Gerhard (1983) Die Mineralien der Eifelvulkane (1st ed.). Christian Weise Verlag. 152 pp.
 
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