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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Gyrolite from
Lòn Reudle, Treshnish, Isle of Mull, Argyll and Bute, Scotland, UK


Classification
Species:Gyrolite
Formula:NaCa16Si23AlO60(OH)8 · 14H2O
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
XRF
Data
Mineral Data:Click here to view Gyrolite data
Locality Data:Click here to view Lòn Reudle, Treshnish, Isle of Mull, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:861978
Long-form Identifier:1:3:861978:5
GUID (UUID V4):0
Nearest other occurrences of Gyrolite
14.1km (8.7 miles) ⓘ'S Airde Beinn, Isle of Mull, Argyll and Bute, Scotland, UK
21.5km (13.4 miles) ⓘKilfinichen Bay, Loch Scridain area, Isle of Mull, Argyll and Bute, Scotland, UK
21.9km (13.6 miles) ⓘKilfinnichan, Isle of Mull, Argyll and Bute, Scotland, UK
84.3km (52.4 miles) ⓘTalisker Bay, Talisker, Carbost, Minginish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
98.5km (61.2 miles) ⓘPortree, Trotternish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
99.2km (61.6 miles) ⓘStaffin Road, Portree, Trotternish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
References
Stephen Moreton
 
and/or  
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