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
Schieallion, Kinloch Rannoch, Perth and Kinross, 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 Schieallion, Kinloch Rannoch, Perth and Kinross, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:856997
Long-form Identifier:1:3:856997:4
GUID (UUID V4):0
Nearest other occurrences of Actinolite
26.6km (16.5 miles) ⓘGlen Tilt, Perth and Kinross, Scotland, UK
31.4km (19.5 miles) ⓘBeinn a Ghlo, Glen Tilt, Perth and Kinross, Scotland, UK
31.4km (19.5 miles) ⓘGlen Lednock, Comrie, Perth and Kinross, Scotland, UK
53.8km (33.4 miles) ⓘSron Gharbh (Sron Garbh), Fort William and Ardnamurchan, Highland, Scotland, UK
56.5km (35.1 miles) ⓘOrd Bain, Loch an Eilein, Badenoch and Strathspey, Highland, Scotland, UK
68.8km (42.7 miles) ⓘCoire Buidhe, Glen Creran, Argyll and Bute, Scotland, UK
90.6km (56.3 miles) ⓘGlen Cannich occurrences, Aird and Loch Ness, Highland, Scotland, UK
References
Render, Paul (n.d.) Paul Render Collection.
 
and/or  
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