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
Beinn Fhada, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK


Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Beinn Fhada, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:708555
Long-form Identifier:1:3:708555:0
GUID (UUID V4):0
Nearest other occurrences of Actinolite
0.9km (0.6 miles) ⓘFaire Donn, Letterfearn, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
2.8km (1.7 miles) ⓘAvernish, Auchtertyre, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
3.1km (1.9 miles) ⓘEilean Donnan Castle, Dornie, Lochalsh, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
3.3km (2.1 miles) ⓘAllt Mor, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK
3.5km (2.2 miles) ⓘDun Mor, Dornie, Lochalsh, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
3.6km (2.2 miles) ⓘCarr Brae, Dornie, Lochalsh, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
3.6km (2.2 miles) ⓘTorr a Char, Dornie, Lochalsh, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
3.9km (2.5 miles) ⓘAuchtertyre, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
4.1km (2.5 miles) ⓘCnoc Mor, Glenelg, Wester Ross, Strathpeffer and Lochalsh, Highland, Scotland, UK
4.2km (2.6 miles) ⓘGleann Udalain, Auchtertyre, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
References
Render, Paul (n.d.) Paul Render Collection.
 
and/or  
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