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
Dunseverick, County Antrim, Northern Ireland, UK


05289210017367363031296.jpg
Thomsonite Subgroup, etc.

Dunseverick, County Antrim, Northern Ireland, UK
05289210017367363031296.jpg
Thomsonite Subgroup, etc.

Dunseverick, County Antrim, Northern Ireland, UK
09169420017272006014746.jpg
Thomsonite Subgroup, etc.

Dunseverick, County Antrim, Northern Ireland, UK
Locality type:Hamlet
Classification
Species:'Thomsonite Subgroup' (not an IMA approved species)
Colour:Grey/opaque
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Phillipsite Subgroup2
Calcite1
Data
Mineral Data:Click here to view Thomsonite Subgroup data
Locality Data:Click here to view Dunseverick, County Antrim, Northern Ireland, UK
Data Identifiers
Mindat Occurrence Record ID:646172
Long-form Identifier:1:3:646172:0
GUID (UUID V4):0
Nearest other occurrences of Thomsonite Subgroup
13.9km (8.6 miles) ⓘIslandmore upper, Portrush, County Antrim, Northern Ireland, UK
32.2km (20.0 miles) ⓘGlenariff Valley, Garron Plateau, County Antrim, Northern Ireland, UK
34.7km (21.5 miles) ⓘFallowvee, Waterfoot, County Antrim, Northern Ireland, UK
36.4km (22.6 miles) ⓘBlack Burn, Waterfoot, County Antrim, Northern Ireland, UK
38.6km (24.0 miles) ⓘClinty Quarry, Ballymena, County Antrim, Northern Ireland, UK
39.8km (24.8 miles) ⓘTicloy, County Antrim, Northern Ireland, UK
46.2km (28.7 miles) ⓘMinnis North, Glenarm, County Antrim, Northern Ireland, UK
46.4km (28.8 miles) ⓘBallynulto Quarry, Broughshane, Ballymena, County Antrim, Northern Ireland, UK
49.2km (30.6 miles) ⓘScawt Hill, Larne, County Antrim, Northern Ireland, UK
51.5km (32.0 miles) ⓘRobinson Quarry, Ballymena, County Antrim, Northern Ireland, UK
References
Trevor Boyd Collection
Wilson O., Dyer A., Enamy H. (2003): Zeolites of the Britsh Isles. British Micromount Society, Occasional Paper 15, 1-29
 
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