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-AN 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 var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Dealer/Collection Label
Associated Minerals Based on Photo Data:
Goethite1
Data
Mineral Data:Click here to view Opal-AN 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:925677
Long-form Identifier:1:3:925677:4
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
31.6km (19.6 miles) ⓘZinster Kuppe, Kulmain, Tirschenreuth District, Upper Palatinate, 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
82.8km (51.5 miles) ⓘBezděkov, Tachov District, Plzeň Region, Czech Republic
87.4km (54.3 miles) ⓘZeilberg Quarry, Maroldsweisach, Haßberge District, Lower Franconia, Bavaria, Germany
References
Neschen, Peter (n.d.) Personal communication.
 
and/or  
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