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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Bismutite from
Otto Mine, Schottenhöfen, Nordrach, Zell am Harmersbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


Locality type:Mine
Classification
Species:Bismutite
Formula:(BiO)2CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bismutite data
Locality Data:Click here to view Otto Mine, Schottenhöfen, Nordrach, Zell am Harmersbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:26608
Long-form Identifier:1:3:26608:6
GUID (UUID V4):0
Nearest other occurrences of Bismutite
4.4km (2.7 miles) ⓘRoßgrabeneck, Zell am Harmersbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
4.5km (2.8 miles) ⓘAmalie Mine, Grunern, Staufen im Breisgau, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
6.2km (3.8 miles) ⓘSilberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
9.1km (5.6 miles) ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
10.5km (6.5 miles) ⓘHennenloch Mine, Hinterohlsbach, Ohlsbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
11.8km (7.3 miles) ⓘHechtsberg quarry, Hausach, Hausach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
12.2km (7.6 miles) ⓘHerrensegen Mine, Wildschapbach valley, Bad Rippoldsau-Schapbach, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
12.5km (7.7 miles) ⓘFriedrich-Christian Mine, Wildschapbach valley, Bad Rippoldsau-Schapbach, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
12.7km (7.9 miles) ⓘWeingut Sieferle, Ortenberg, Offenburg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
17.8km (11.1 miles) ⓘDavid adit, Wüstenbächle, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
References
Walenta, Kurt (1989) Neufunde aus dem Schwarzwald. 3. Folge. 2 .Teil [New discoveries from the Black Forest. Part 3]. Lapis, 14 (9). 20-30
 
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