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


Locality type:Mine
Classification
Species:Ilsemannite
Formula:Mo3O8 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ilsemannite data
Locality Data:Click here to view Tin mine, Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:77455
Long-form Identifier:1:3:77455:8
GUID (UUID V4):0
Nearest other occurrences of Ilsemannite
9.4km (5.9 miles) ⓘVrchoslav fluorite deposit, Vrchoslav, 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
34.7km (21.6 miles) ⓘGlückauf Shaft, Himmelsfürst Mine, Brand-Erbisdorf, Mittelsachsen, Saxony, Germany
57.4km (35.7 miles) ⓘUranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirgskreis, Saxony, Germany
60.1km (37.4 miles) ⓘGreifensteine, Ehrenfriedersdorf, Erzgebirgskreis, 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
 
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