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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Opal-AN from
Segen Gottes Mine (Gottes Segen Mine; Gottessegen Mine), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


Locality type:Mine
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Segen Gottes Mine (Gottes Segen Mine; Gottessegen Mine), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:98471
Long-form Identifier:1:3:98471:1
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
13.5km (8.4 miles) ⓘOffenbach valley, Hornberg, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
14.4km (8.9 miles) ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
17.5km (10.9 miles) ⓘFriedrich-Christian Mine, Wildschapbach valley, Bad Rippoldsau-Schapbach, Freudenstadt, Karlsruhe Region, Baden-Württemberg, Germany
39.1km (24.3 miles) ⓘLimberg Quarries, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany
39.3km (24.4 miles) ⓘEichert, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany
42.1km (26.1 miles) ⓘKirchberg Quarry, Oberrotweil, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
42.2km (26.2 miles) ⓘHumberg quarries, Burkheim, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
43.2km (26.9 miles) ⓘFöhrenberg, Ihringen, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
49.4km (30.7 miles) ⓘLisbühl, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
55.3km (34.4 miles) ⓘSengalenkopf, Schönau im Schwarzwald, Lörrach, Freiburg Region, Baden-Württemberg, Germany
References
Schmeltzer, H. (1993): Die Grube Segen Gottes bei Schnellingen - ein polymetallisches Mineralvorkommen. Der Erzgräber, 7 (2), 34-35.
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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