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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Orthoclase from
Tin mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany


Locality type:Mine
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Tin mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:77473
Long-form Identifier:1:3:77473:4
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
9.1km (5.7 miles) ⓘMoldava deposit, Moldava, Teplice District, Ústí nad Labem Region, Czech Republic
9.4km (5.9 miles) ⓘVrchoslav fluorite deposit, Vrchoslav, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
9.5km (5.9 miles) ⓘStarý Martin adit, Steinknochen area, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
9.8km (6.1 miles) ⓘLukáš vein outcrop, Steinknochen area, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
10.8km (6.7 miles) ⓘSadisdorf, Dippoldiswalde, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
10.8km (6.7 miles) ⓘBarbora adit, Knöttel area, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
11.0km (6.8 miles) ⓘVečerní Hvězda adit, Knöttel area, Krupka, Teplice District, Ústí nad Labem Region, Czech Republic
29.1km (18.1 miles) ⓘMonzonite quarries, Plauenscher Grund, Dresden, Saxony, Germany
29.4km (18.2 miles) ⓘRatsstein quarry, Plauenscher Grund, Dresden, Saxony, Germany
29.8km (18.5 miles) ⓘNaundorf quarry (Buchberg quarry), Bobritzsch-Hilbersdorf, Mittelsachsen, Saxony, Germany
References
Jahn, Steffen (1999) Größte Zinnlagerstätte Mitteleuropas: Geologie, Bergbaugeschichte und Mineralien von Altenberg in Sachsen [Largest tin deposit in Central Europe: Geology, mining history and minerals from Altenberg in Saxony]. Mineralien-Welt, 10 (2). 17-39
Schilka, Wolfgang (2000) Zinnerlagerstätte Altenberg in Sachsen - Die Mineralienfunde in der letzen Betriebsperiode von 1978 bis 1991 [Altenberg tin ore deposit in Saxony - The mineral discoveries in the last operating period from 1978 to 1991]. Mineralien Welt, 11 (2). 22-27
 
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