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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Quartz from
Glendun, Cushendun, County Antrim, Northern Ireland, UK


Locality type:River Valley
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Glendun, Cushendun, County Antrim, Northern Ireland, UK
Data Identifiers
Mindat Occurrence Record ID:565287
Long-form Identifier:1:3:565287:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.6km (1.6 miles) ⓘGlenaan, Cushendall, County Antrim, Northern Ireland, UK
26.3km (16.3 miles) ⓘScawt Hill, Larne, County Antrim, Northern Ireland, UK
28.1km (17.5 miles) ⓘGiant's Causeway, County Antrim, Northern Ireland, UK
30.5km (18.9 miles) ⓘScottstown Quarry (Cross Moorfield Quarry), Ballymena, County Antrim, Northern Ireland, UK
32.2km (20.0 miles) ⓘCraigahulliar Quarry, Portrush, County Antrim, Northern Ireland, UK
38.4km (23.9 miles) ⓘSouthend, Campbeltown, Kintyre, Argyll and Bute, Scotland, UK
39.3km (24.4 miles) ⓘSkarn, Port Muck, Islandmagee, County Antrim, Northern Ireland, UK
40.5km (25.2 miles) ⓘBallygroggan, Campbeltown, Kintyre, Argyll and Bute, Scotland, UK
42.6km (26.5 miles) ⓘMachrihanish, Kintyre, Argyll and Bute, Scotland, UK
44.7km (27.8 miles) ⓘKillellan hill, Killellan, Campbeltown, Kintyre, Argyll and Bute, Scotland, UK
References
Trevor Boyd Collection
 
and/or  
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