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
Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


Locality type:Pegmatite
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 Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:41568
Long-form Identifier:1:3:41568:2
GUID (UUID V4):0
Nearest other occurrences of Actinolite
4.2km (2.6 miles) ⓘVěžná serpentinite quarry, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
4.3km (2.7 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
8.0km (5.0 miles) ⓘBorovec (Borowetz; Borowitz?), Štěpánov nad Svratkou, Žďár nad Sázavou District, Vysočina Region, Czech Republic
17.5km (10.8 miles) ⓘStudnice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
41.4km (25.7 miles) ⓘBorovina, Třebíč, Třebíč District, Vysočina Region, Czech Republic
46.8km (29.1 miles) ⓘPokojovice pegmatite, Pokojovice, Třebíč District, Vysočina Region, Czech Republic
47.0km (29.2 miles) ⓘKordula, Rešice, Znojmo District, South Moravian Region, Czech Republic
65.9km (40.9 miles) ⓘJezuitský rybník, Golčův Jeníkov, Havlíčkův Brod District, Vysočina Region, Czech Republic
72.8km (45.2 miles) ⓘMarkovice quarry, Žleby, Kutná Hora District, Central Bohemian Region, Czech Republic
77.8km (48.3 miles) ⓘOstředek (Mittelberg), Šumperk, Šumperk District, Olomouc Region, Czech Republic
References
 
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