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
Häuselberg, Leoben, Leoben District, Styria, Austria


Locality type:Quarry
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 Häuselberg, Leoben, Leoben District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:790645
Long-form Identifier:1:3:790645:9
GUID (UUID V4):0
Nearest other occurrences of Actinolite
1.5km (1.0 miles) ⓘRailway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria
9.2km (5.7 miles) ⓘLobminggraben quarry, Lobminggraben, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
12.0km (7.4 miles) ⓘSommergraben, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
14.9km (9.2 miles) ⓘGulsen, Sankt Marein-Feistritz, Murtal District, Styria, Austria
17.7km (11.0 miles) ⓘS35 motorway tunnel (Kirchdorf tunnel), Kirchdorf, Pernegg an der Mur, Bruck-Mürzzuschlag District, Styria, Austria
22.6km (14.0 miles) ⓘLead mine, Graschnitzgraben, Sankt Marein im Mürztal, Bruck-Mürzzuschlag District, Styria, Austria
40.5km (25.2 miles) ⓘGamskogel, Trieben valley, Hohentauern, Murtal District, Styria, Austria
44.0km (27.4 miles) ⓘA2 motorway tunnel (Herzogberg tunnel), Herzogberg, Modriach, Edelschrott, Voitsberg District, Styria, Austria
58.1km (36.1 miles) ⓘKaltenbach valley (Kaltenbachgraben), Spital am Semmering, Bruck-Mürzzuschlag District, Styria, Austria
58.3km (36.2 miles) ⓘPrössinggraben, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
References
Freyn (1902), Redlich (1908)
 
and/or  
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