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
Pegmatite outcrops, Weißenstein, Stammbach, Hof District, Upper Franconia, Bavaria, Germany


Locality type:Outcrop
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 Pegmatite outcrops, Weißenstein, Stammbach, Hof District, Upper Franconia, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:299352
Long-form Identifier:1:3:299352:2
GUID (UUID V4):0
Nearest other occurrences of Prehnite
7.7km (4.8 miles) ⓘPeterlesstein, Kupferberg, Kulmbach District, Upper Franconia, Bavaria, Germany
8.1km (5.0 miles) ⓘHaidberg Quarry, Haidberg hill, Zell im Fichtelgebirge, Hof District, Upper Franconia, Bavaria, Germany
12.2km (7.6 miles) ⓘMeierhof quarry, Münchberg, Hof District, Upper Franconia, Bavaria, Germany
21.7km (13.5 miles) ⓘAcherwiese, Schönbrunn, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
24.5km (15.2 miles) ⓘHeß quarry, Wurlitz, Rehau, Hof District, Upper Franconia, Bavaria, Germany
25.6km (15.9 miles) ⓘRailway station, Holenbrunn, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
26.7km (16.6 miles) ⓘGranite quarries, Schurbach, Waldershof, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
27.6km (17.1 miles) ⓘOtterbühl, Göpfersgrün, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
43.5km (27.0 miles) ⓘHenneberg Quarry, Weitisberga, Wurzbach, Saale-Orla District, Thuringia, Germany
47.8km (29.7 miles) ⓘOberbaumühle Quarry, Oberbaumühle, Windischeschenbach, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
References
G. Franz and E.A. Smelik, Eur. J. Mineral. , 1995, 7, pp. 1421-1436.
 
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