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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Melanterite from
Pumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:Melanterite
Formula:Fe2+(H2O)6(SO4) · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Melanterite data
Locality Data:Click here to view Pumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:368346
Long-form Identifier:1:3:368346:0
GUID (UUID V4):0
Nearest other occurrences of Melanterite
0.7km (0.4 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.1km (0.7 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.0km (1.2 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
25.3km (15.7 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
30.1km (18.7 miles) ⓘFriedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
65.8km (40.9 miles) ⓘCastor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
69.1km (43.0 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
70.9km (44.1 miles) ⓘMaubacher Bleiberg, Hürtgenwald, Düren, Cologne, North Rhine-Westphalia, Germany
77.3km (48.0 miles) ⓘDiabase works, Phillipstein, Weilmünster, Limburg-Weilburg, Giessen Region, Hesse, Germany
86.3km (53.6 miles) ⓘConcordia smelter slag locality, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
References
Blaß, Günter; Graf, Hans- Werner; Kolitsch, Uwe; Sebold, Doris (2004) Neue Funde aus der Vulkaneifel: Die Sammelsaison 2003 [New finds from the Volcanic Eifel: The 2003 collecting season]. Mineralien-Welt, 15 (3). 58-69
 
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