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
Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria


04555840017367320136926.jpg
Opal-AN

Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria
04555840017367320136926.jpg
Opal-AN

Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria
00771310017272733069963.jpg
Opal-AN

Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria
Locality type:Quarry
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Autunite2
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:199926
Long-form Identifier:1:3:199926:6
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
34.7km (21.6 miles) ⓘHaidnerhöhe, Flattnitz, Sankt Veit an der Glan District, Carinthia, Austria
45.7km (28.4 miles) ⓘA2 Highway tunnel (Falkenberg tunnel), Wölfnitz, Klagenfurt am Wörthersee, Carinthia, Austria
57.7km (35.8 miles) ⓘParis adit, Radhausberg, Kreuzkogel massif, Naßfeld valley, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
58.1km (36.1 miles) ⓘMunicipal quarry (Dick quarry), Böckstein, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
58.5km (36.4 miles) ⓘUnnamed adit, Kniebeißgraben, Naßfeld valley, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
58.7km (36.5 miles) ⓘPasel adit, Radhausberg, Kreuzkogel massif, Naßfeld valley, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
59.2km (36.8 miles) ⓘThermal water spa, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
59.9km (37.2 miles) ⓘSchleierfall tunnel, Naßfeld valley, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
60.1km (37.3 miles) ⓘSiglitz adit (Imhof-Unterbau adit; Imhof adit), Siglitz - Bockhart gold mining district, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
61.6km (38.3 miles) ⓘBockhart adit, Siglitz - Bockhart gold mining district, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
References
Niedermayr, G.; Praetzel, I. (1995) Mineralien Kärntens. Naturwissenschaftlicher Verein für Kärnten. 232 pp.
 
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