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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Opal from
Leonie Mine, Auerbach in der Oberpfalz, Amberg-Sulzbach District, Upper Palatinate, Bavaria, Germany


06713510017724304725193.jpg
Opal-AN, etc.

Leonie Mine, Auerbach in der Oberpfalz, Amberg-Sulzbach District, Upper Palatinate, Bavaria, Germany
06713510017724304725193.jpg
Opal-AN, etc.

Leonie Mine, Auerbach in der Oberpfalz, Amberg-Sulzbach District, Upper Palatinate, Bavaria, Germany
06619480017724304744794.jpg
Opal-AN, etc.

Leonie Mine, Auerbach in der Oberpfalz, Amberg-Sulzbach District, Upper Palatinate, Bavaria, Germany
Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Dealer/Collection Label
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Leonie Mine, Auerbach in der Oberpfalz, Amberg-Sulzbach District, Upper Palatinate, Bavaria, Germany
Data Identifiers
Mindat Occurrence Record ID:1012575
Long-form Identifier:1:3:1012575:1
GUID (UUID V4):0
Nearest other occurrences of Opal
31.6km (19.6 miles) ⓘZinster Kuppe, Kulmain, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
40.3km (25.1 miles) ⓘGranite quarries, Schurbach, Waldershof, Tirschenreuth District, Upper Palatinate, Bavaria, Germany
43.2km (26.8 miles) ⓘAcherwiese, Schönbrunn, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
50.3km (31.2 miles) ⓘStreuspitz, Weißenstadter Forst-Nord, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
54.1km (33.6 miles) ⓘEpprechtstein, Kirchenlamitz, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany
61.2km (38.0 miles) ⓘSilbergrube, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
66.3km (41.2 miles) ⓘHeß quarry, Wurlitz, Rehau, Hof District, Upper Franconia, Bavaria, Germany
74.6km (46.3 miles) ⓘSiebenhitz, Köditz, Hof District, Upper Franconia, Bavaria, Germany
79.7km (49.5 miles) ⓘHimmelleiten Quarry, Roßbach, Wald, Cham District, Upper Palatinate, Bavaria, Germany
79.8km (49.6 miles) ⓘSvatá Anna, Dolní Jadruž, Chodský Újezd, Tachov District, Plzeň Region, Czech Republic
References
Neschen, Peter (n.d.) Personal communication.
 
and/or  
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