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


07883160017682338513767.jpg
Ranciéite, etc.

Winterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
07883160017682338513767.jpg
Ranciéite, etc.

Winterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
07883160017682338513767.jpg
Ranciéite, etc.

Winterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
Locality type:Quarry
Classification
Species:Ranciéite
Formula:(Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Limonite1
Data
Mineral Data:Click here to view Ranciéite 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:30701
Long-form Identifier:1:3:30701:9
GUID (UUID V4):0
Nearest other occurrences of Ranciéite
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
23.8km (14.8 miles) ⓘWolkenhügel Mine, Harz (Landkreis Göttingen), Göttingen District, Lower Saxony, Germany
33.5km (20.8 miles) ⓘSt Georg Mine (Goslar'sche Gleie), Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
39.3km (24.4 miles) ⓘGiepenbach Mine (Gertrud Mine), Tanne, Oberharz am Brocken, Harz, Saxony-Anhalt, Germany
44.1km (27.4 miles) ⓘManganese deposit, Ilfeld, Harztor, Nordhausen District, Thuringia, Germany
56.3km (35.0 miles) ⓘIberg reservoir, Nordhausen, Nordhausen District, Thuringia, Germany
76.0km (47.2 miles) ⓘBlaue Kuppe, Eschwege, Werra-Meißner, Kassel Region, Hesse, 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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