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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Epidote from
Obereisenhausen diabase quarry, Steffenberg, Marburg-Biedenkopf, Giessen Region, Hesse, Germany


Locality type:Quarry
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Obereisenhausen diabase quarry, Steffenberg, Marburg-Biedenkopf, Giessen Region, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:369583
Long-form Identifier:1:3:369583:8
GUID (UUID V4):0
Nearest other occurrences of Epidote
1.7km (1.1 miles) ⓘDimmberg quarry, Steffenberg, Marburg-Biedenkopf, Giessen Region, Hesse, Germany
1.8km (1.1 miles) ⓘBurgberg Quarry (Trautvetter Quarry), Steinperf, Steffenberg, Marburg-Biedenkopf, Giessen Region, Hesse, Germany
15.3km (9.5 miles) ⓘDiabase quarry, Oberscheld, Dillenburg, Lahn-Dill-Kreis, Giessen Region, Hesse, Germany
17.6km (10.9 miles) ⓘDiabase quarries, Herborn, Lahn-Dill-Kreis, Giessen Region, Hesse, Germany
44.0km (27.3 miles) ⓘDiabase works, Phillipstein, Weilmünster, Limburg-Weilburg, Giessen Region, Hesse, Germany
44.0km (27.3 miles) ⓘKuhlenberg quarry, Silbach, Winterberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
96.1km (59.7 miles) ⓘRabengrund, Hörstein, Alzenau, Aschaffenburg District, Lower Franconia, Bavaria, Germany
96.6km (60.1 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
98.0km (60.9 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
98.5km (61.2 miles) ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
References
Uwe Kolitsch collection (PXRD and/or SEM-EDS analyses)
 
and/or  
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