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
Unverhofft Glück an der Achte Mine, Antonsthal, Breitenbrunn, Erzgebirgskreis, Saxony, Germany


Locality type:Mine
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 Unverhofft Glück an der Achte Mine, Antonsthal, Breitenbrunn, Erzgebirgskreis, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:96012
Long-form Identifier:1:3:96012:8
GUID (UUID V4):0
Nearest other occurrences of Actinolite
2.0km (1.3 miles) ⓘFällbach Shaft, Antonsthal, Breitenbrunn, Erzgebirgskreis, Saxony, Germany
2.2km (1.4 miles) ⓘShaft 235 (Weißer Hirsch mine), Crandorf, Schwarzenberg, Erzgebirgskreis, Saxony, Germany
3.5km (2.2 miles) ⓘSt. Margarethe Mine (Otto-Stollen; Shaft 23), Breitenbrunn, Erzgebirgskreis, Saxony, Germany
5.6km (3.5 miles) ⓘPöhla-Tellerhäuser Mine, Pöhla, Schwarzenberg, Erzgebirgskreis, Saxony, Germany
5.9km (3.7 miles) ⓘGraul, Langenberg, Raschau-Markersbach, Erzgebirgskreis, Saxony, Germany
6.5km (4.0 miles) ⓘGelbe Birke Mine, Beierfeld, Grünhain-Beierfeld, Erzgebirgskreis, Saxony, Germany
7.1km (4.4 miles) ⓘFrisch Glück Mine (Herkules-Frisch Glück Mine), Fürstenberg hill, Waschleithe, Grünhain-Beierfeld, Erzgebirgskreis, Saxony, Germany
11.0km (6.8 miles) ⓘZlatý Kopec skarn deposit, Zlatý Kopec, Boží Dar, Karlovy Vary District, Karlovy Vary Region, Czech Republic
12.1km (7.5 miles) ⓘShaft 38, Niederschlema, Bad Schlema, Aue-Bad Schlema, Erzgebirgskreis, Saxony, Germany
12.5km (7.8 miles) ⓘShaft 309, Niederschlema, Bad Schlema, Aue-Bad Schlema, Erzgebirgskreis, Saxony, Germany
References
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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