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-Ca from
Bruslee quarry, Ballyclare, County Antrim, Northern Ireland, UK


Locality type:Quarry
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Bruslee quarry, Ballyclare, County Antrim, Northern Ireland, UK
Data Identifiers
Mindat Occurrence Record ID:606374
Long-form Identifier:1:3:606374:0
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
1.6km (1.0 miles) ⓘGreen Road Quarry (Ballyclare Old Quarry), Ballyclare, County Antrim, Northern Ireland, UK
5.5km (3.4 miles) ⓘCarnmoney, County Antrim, Northern Ireland, UK
9.3km (5.8 miles) ⓘParkgate Quarry, Antrim, County Antrim, Northern Ireland, UK
15.5km (9.7 miles) ⓘBasalt quarry, Magheramorne, Glynn (Glynn Hill), Larne, County Antrim, Northern Ireland, UK
18.2km (11.3 miles) ⓘScottstown Quarry (Cross Moorfield Quarry), Ballymena, County Antrim, Northern Ireland, UK
34.0km (21.1 miles) ⓘGlenariff Valley, Garron Plateau, County Antrim, Northern Ireland, UK
44.3km (27.5 miles) ⓘMoneymore Quarry, Maxwell Quarries, County Londonderry, Northern Ireland, UK
References
Walker, G. P. L. (1962) Low-potash gismondine from Ireland and Iceland. Mineralogical Magazine and Journal of the Mineralogical Society, 33 (258). 187-201 doi:10.1180/minmag.1962.033.258.02
 
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