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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Prehnite from
Amphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany


02617740017271984134699.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
02923120017362096092073.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
02617740017271984134699.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
03887960017271984151001.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
02617740017271984134699.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
03887960017271984151001.jpg
Prehnite

Amphibolite quarry, Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Locality type:Quarry
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Amphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:99009
Long-form Identifier:1:3:99009:5
GUID (UUID V4):0
Nearest other occurrences of Prehnite
2.2km (1.4 miles) ⓘHechtsberg quarry, Hausach, Hausach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
6.8km (4.3 miles) ⓘEblishof, Steinach, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
9.2km (5.7 miles) ⓘB 294 Road tunnel, Reutherberg, Wolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
15.3km (9.5 miles) ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
16.5km (10.3 miles) ⓘMantelhof, Heubach valley, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
18.6km (11.6 miles) ⓘBellenwald, Berghaupten, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
21.0km (13.1 miles) ⓘJosenhof, Furtwangen im Schwarzwald, Schwarzwald-Baar-Kreis, Freiburg Region, Baden-Württemberg, Germany
33.1km (20.6 miles) ⓘFuchsköpfle quarry, Herdern, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
33.5km (20.8 miles) ⓘKaibenbühl quarry, Buchenbach, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
36.0km (22.3 miles) ⓘWeißenfels, Waldsee lake, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
Walenta, Kurt (1991) Neufunde aus dem Schwarzwald 4. Folge [New finds from the Black Forest Part 4]. Lapis, 16 (2). 19-24
Walenta, Kurt (1994) Neufunde aus dem Schwarzwald. 5. Folge, 2. Teil [New discoveries from the Black Forest. 5, Part 2]. Lapis, 19 (3). 31-39
 
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