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
Hechtsberg quarry, Hausach, Hausach, 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 Hechtsberg quarry, Hausach, Hausach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:168484
Long-form Identifier:1:3:168484:1
GUID (UUID V4):0
Nearest other occurrences of Prehnite
2.2km (1.4 miles) ⓘAmphibolite quarry (Vulkan quarry), Haslach im Kinzigtal, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
7.2km (4.5 miles) ⓘB 294 Road tunnel, Reutherberg, Wolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
8.1km (5.1 miles) ⓘEblishof, Steinach, Haslach im Kinzigtal, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
13.1km (8.1 miles) ⓘClara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
14.7km (9.1 miles) ⓘMantelhof, Heubach valley, Wittichen, Schenkenzell, Rottweil, Freiburg Region, Baden-Württemberg, Germany
18.2km (11.3 miles) ⓘBellenwald, Berghaupten, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
22.3km (13.8 miles) ⓘJosenhof, Furtwangen im Schwarzwald, Schwarzwald-Baar-Kreis, Freiburg Region, Baden-Württemberg, Germany
35.3km (21.9 miles) ⓘFuchsköpfle quarry, Herdern, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
35.4km (22.0 miles) ⓘKaibenbühl quarry, Buchenbach, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
38.1km (23.7 miles) ⓘWeißenfels, Waldsee lake, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
References
Wendel, Wolfgang; Müller, Manfred; Janouch, Uwe (1998) Neufund seltener Wismut-Vanadate am Hechtsberg bei Hausach, Schwarzwald [New discovery of rare bismuth vanadates at Hechtsberg near Hausach, Black Forest]. Lapis, 23 (4). 13-17; 54
 
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