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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Actinolite from
Borovina, Třebíč, Třebíč District, Vysočina Region, Czech Republic


Locality type:Municipal District
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Borovina, Třebíč, Třebíč District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:701441
Long-form Identifier:1:3:701441:3
GUID (UUID V4):0
Nearest other occurrences of Actinolite
8.7km (5.4 miles) ⓘPokojovice pegmatite, Pokojovice, Třebíč District, Vysočina Region, Czech Republic
26.8km (16.7 miles) ⓘKordula, Rešice, Znojmo District, South Moravian Region, Czech Republic
40.5km (25.2 miles) ⓘVěžná serpentinite quarry, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
40.6km (25.2 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
41.4km (25.7 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
44.1km (27.4 miles) ⓘArzberg, Kottaun, Geras, Horn District, Lower Austria, Austria
46.2km (28.7 miles) ⓘSerpentinite quarry, Pingendorf, Drosendorf-Zissersdorf, Horn District, Lower Austria, Austria
47.3km (29.4 miles) ⓘStudnice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
48.9km (30.4 miles) ⓘBorovec (Borowetz; Borowitz?), Štěpánov nad Svratkou, Žďár nad Sázavou District, Vysočina Region, Czech Republic
66.1km (41.1 miles) ⓘMarble quarries (incl. Renz Quarry; Bundesheer Quarry), Winkl, Röhrenbach, Horn District, Lower Austria, Austria
References
Houzar S., Trnka M.: Hořečnatý skarn s indiciemi polymetalického zrudnění z Třebíče - Boroviny. Sborník GPO, 1983, 27, 139-149.
 
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