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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Siderite from
Hermann Mine, Hüttebrüchen, Allendorf, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Hermann Mine, Hüttebrüchen, Allendorf, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:296374
Long-form Identifier:1:3:296374:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
10.8km (6.7 miles) ⓘWestenfeld quarry, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
19.7km (12.2 miles) ⓘA46 Highway bridge, Uentrop, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
21.6km (13.4 miles) ⓘCaspari Mine, Uentrop, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
24.0km (14.9 miles) ⓘGenna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
26.2km (16.3 miles) ⓘGlanzenberg Mine, Silberg, Kirchhundem, Olpe, Arnsberg, North Rhine-Westphalia, Germany
26.8km (16.7 miles) ⓘMercur Mine (Merkur Mine), Silberg, Kirchhundem, Olpe, Arnsberg, North Rhine-Westphalia, Germany
27.0km (16.8 miles) ⓘVictoria Mine, Littfeld, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
29.8km (18.5 miles) ⓘDonnerkuhle quarry, Hagen, Arnsberg, North Rhine-Westphalia, Germany
30.9km (19.2 miles) ⓘStahlberg Mine (Schwabengrube), Müsen, Hilchenbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
31.6km (19.6 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
References
Pawlowski, Dora (1991) Mineralfundstellen im Sauerland. Weise Verlag, Munich, Germany.
 
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