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


Classification
Species:'Thomsonite Subgroup' (not an IMA approved species)
Comments:Compact, mamillated, often with a later generation of analcime crystals.
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
XRF
Data
Mineral Data:Click here to view Thomsonite Subgroup data
Locality Data:Click here to view Lòn Reudle, Treshnish, Isle of Mull, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:861982
Long-form Identifier:1:3:861982:2
GUID (UUID V4):0
Nearest other occurrences of Thomsonite Subgroup
18.4km (11.4 miles) ⓘAn Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
21.0km (13.1 miles) ⓘBeinn Fhada, Ben More, Isle of Mull, Argyll and Bute, 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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