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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Vivianite from
Friedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Vivianite
Formula:Fe2+Fe22+(PO4)2 · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view Friedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:174564
Long-form Identifier:1:3:174564:1
GUID (UUID V4):0
Nearest other occurrences of Vivianite
28.1km (17.5 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
46.3km (28.8 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
61.9km (38.4 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
79.0km (49.1 miles) ⓘCastor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
84.0km (52.2 miles) ⓘLignite mine, Echzell, Wetteraukreis, Darmstadt, Hesse, Germany
84.5km (52.5 miles) ⓘCopper smelter slag locality, Kall, Euskirchen, Cologne, North Rhine-Westphalia, Germany
87.3km (54.2 miles) ⓘLignite deposit, Berstadt, Wölfersheim, Wetteraukreis, Darmstadt, Hesse, Germany
87.7km (54.5 miles) ⓘPrinz von Hessen Mine, Darmstadt-Ost, Darmstadt, Darmstadt, Hesse, Germany
88.1km (54.8 miles) ⓘMessel Mine, Messel, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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