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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Muscovite from
Birkhöhe Quarry (Birkenhöhe Quarry), Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany


Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Birkhöhe Quarry (Birkenhöhe Quarry), Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:91876
Long-form Identifier:1:3:91876:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.3km (0.2 miles) ⓘSavings bank construction site, Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany
1.8km (1.1 miles) ⓘGranite quarry, Pauliberg, Lindberg, Regen District, Lower Bavaria, Bavaria, Germany
6.4km (4.0 miles) ⓘHühnerkobel Mine (Hennenkobel Mine), Rabenstein, Zwiesel, Regen District, Lower Bavaria, Bavaria, Germany
9.0km (5.6 miles) ⓘGrub Quarries, Grub, Rinchnach, Regen District, Lower Bavaria, Bavaria, Germany
9.7km (6.0 miles) ⓘSilberberg Mine, Bodenmais, Regen District, Lower Bavaria, Bavaria, Germany
9.9km (6.1 miles) ⓘBlötz Mine (Plötz Mine), Bodenmais, Regen District, Lower Bavaria, Bavaria, Germany
10.3km (6.4 miles) ⓘBerghaus Quarry, Böbrach, Regen District, Lower Bavaria, Bavaria, Germany
14.5km (9.0 miles) ⓘMaisried pegmatite, Böbrach, Regen District, Lower Bavaria, Bavaria, Germany
14.8km (9.2 miles) ⓘHubertus pegmatite, Böbrach, Regen District, Lower Bavaria, Bavaria, Germany
16.8km (10.4 miles) ⓘFrath Mine, Frath, Drachselsried, Regen District, Lower Bavaria, Bavaria, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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