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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Pyrolusite from
Winterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany


Locality type:Quarry
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Winterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:30700
Long-form Identifier:1:3:30700:0
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
1.5km (0.9 miles) ⓘBiseschacht, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
2.0km (1.3 miles) ⓘGlückauf Mine, Hütschen valley, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
9.4km (5.9 miles) ⓘKahlenberg district, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
9.5km (5.9 miles) ⓘFriederike Mine, Lautenthal, Langelsheim, Goslar District, Lower Saxony, Germany
11.3km (7.0 miles) ⓘGlücksrad Mine, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
14.5km (9.0 miles) ⓘRammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
18.8km (11.7 miles) ⓘHuneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
21.0km (13.1 miles) ⓘHansa Pit, Bad Harzburg, Goslar District, Lower Saxony, Germany
21.7km (13.5 miles) ⓘGabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany
23.8km (14.8 miles) ⓘWolkenhügel Mine, Harz (Landkreis Göttingen), Göttingen District, Lower Saxony, Germany
References
Schnorrer, G., Klänhardt, K. (2002) Die Minerale des Iberg-Winterberg-Massives bei Bad Grund/Harz. Der Aufschluss, 53(4), 181-199.
Jahn, S., Stedingk, K., Klänhardt, K. (2012) Das Iberg-Winterberg-Massiv bei Bad Grund. Mineralien-Welt, 23 (4), 30-67.
 
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