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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Biotite from
Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany


05166080017271921472174.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
00884200017271980606045.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
05128100017272042482210.jpg
Phlogopite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
06683190017271980632598.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
04052270017866614152450.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
02447950017365155371901.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
09879430017399556889992.jpg
Phlogopite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
05288140017369449982573.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
05166080017271921472174.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
00884200017271980606045.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
05128100017272042482210.jpg
Phlogopite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
06683190017271980632598.jpg
Biotite

Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sanidine6
Pseudobrookite2
Amphibole Supergroup2
Enstatite2
Pyroxene Group2
Rutile2
Titanite2
Hematite1
Tridymite1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (21 photos)
Data Identifiers
Mindat Occurrence Record ID:85295
Long-form Identifier:1:3:85295:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.7km (0.5 miles) ⓘLangenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.2km (0.7 miles) ⓘEiterköpfe quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.2km (1.4 miles) ⓘKarmelenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.5km (2.2 miles) ⓘPlaidter Hummerich, Plaidt, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.7km (2.3 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.2km (2.6 miles) ⓘKorretsberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.5km (4.1 miles) ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.6km (5.4 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.8km (5.5 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
9.5km (5.9 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Rondorf, Alice, Rondorf, Eugen (1988) Jeremejewit von den Wannenköpfen bei Ochtendung (eifel) [Jeremejewit from the Wannenköpfe near Ochtendung (Eifel)]. Lapis, 13 (7-8). 70-72,82
Weiß, Günter, Graf, Hans-Werner (1999) Die Wannenköpfe bei Ochtendung in der Vulkaneifel und ihre Mineralien [The Wannenköpfe near Ochtendung in the Vulkaneifel and their minerals]. Mineralien Welt, 10 (6). 20-47
 
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