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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Calcite from
Laas mines, Köstenberg, Velden am Wörther See, Villach-Land District, Carinthia, Austria


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Laas mines, Köstenberg, Velden am Wörther See, Villach-Land District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:642500
Long-form Identifier:1:3:642500:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
7.4km (4.6 miles) ⓘUmberg, Wernberg, Villach-Land District, Carinthia, Austria
9.3km (5.8 miles) ⓘRudnik, Petschnitzen, Faak lake area, Villach, Carinthia, Austria
10.5km (6.6 miles) ⓘRoda, Schiefling am Wörthersee, Klagenfurt-Land District, Carinthia, Austria
13.6km (8.4 miles) ⓘReifnitz, Maria Wörth, Klagenfurt-Land District, Carinthia, Austria
13.9km (8.6 miles) ⓘOswaldiberg tunnel (A10 Highway tunnel), Oswaldiberg, Villach, Carinthia, Austria
15.6km (9.7 miles) ⓘEinöde, Winklern, Treffen am Ossiacher See, Villach-Land District, Carinthia, Austria
16.1km (10.0 miles) ⓘMarble quarry, Kras, Treffen am Ossiacher See, Villach-Land District, Carinthia, Austria
16.8km (10.4 miles) ⓘModre quarry, Kras, Treffen am Ossiacher See, Villach-Land District, Carinthia, Austria
16.9km (10.5 miles) ⓘMagnetite occurrence, Wollanig, Villach, Carinthia, Austria
17.6km (10.9 miles) ⓘA2 Highway tunnel (Falkenberg tunnel), Wölfnitz, Klagenfurt am Wörthersee, Carinthia, Austria
References
www.indra-g.at (2026) Fundstellen- und Literaturdatenbank Kärnten. http://www.indra-g.at/Datenbanken/Literaturnachweise/Lit.nachw.htm
 
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