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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Tremolite from
Oswaldiberg tunnel (A10 Highway tunnel), Oswaldiberg, Villach, Carinthia, Austria


Locality type:Tunnel
Classification
Species:Tremolite
Formula:◻Ca2Mg5(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tremolite data
Locality Data:Click here to view Oswaldiberg tunnel (A10 Highway tunnel), Oswaldiberg, Villach, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:910350
Long-form Identifier:1:3:910350:4
GUID (UUID V4):0
Nearest other occurrences of Tremolite
3.8km (2.4 miles) ⓘMarble quarry, Gummern, Weißenstein, Villach-Land District, Carinthia, Austria
4.9km (3.1 miles) ⓘJungfernsprung, Landskron castle, Landskron, Villach, Carinthia, Austria
23.7km (14.7 miles) ⓘKamuderkeusche, Stallhofen, Moosburg, Klagenfurt-Land District, Carinthia, Austria
49.4km (30.7 miles) ⓘSalzkofel, Sachsenburg, Spittal an der Drau District, Carinthia, Austria
52.9km (32.9 miles) ⓘSerpentinite quarry, Griesserhof (Gulitzen; Gullitzen), Hirt, Micheldorf, Sankt Veit an der Glan District, Carinthia, Austria
53.9km (33.5 miles) ⓘStegsdorf, Sankt Salvator, Friesach, Sankt Veit an der Glan District, Carinthia, Austria
56.1km (34.9 miles) ⓘMn deposit, Dürnstein, Neumarkt in der Steiermark, Murau District, Styria, Austria
56.2km (34.9 miles) ⓘSchurfspitze (Egydi adit; Ochsenleiten), Lanisch, Pölla valley, Rennweg am Katschberg, Spittal an der Drau District, Carinthia, Austria
57.1km (35.5 miles) ⓘEbriachgraben (Ebriach gorge), Ebriach, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
58.4km (36.3 miles) ⓘKienbergkar, Teuchlbach valley, Penk, Reißeck, Spittal an der Drau District, Carinthia, Austria
References
Hiden (1997)
 
and/or  
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