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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Cowlesite from
Islandmore upper, Portrush, County Antrim, Northern Ireland, UK


04721760017272036176180.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
05651160017272043691941.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
00165610017272043701926.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
04143360017272043708033.jpg
Cowlesite, etc.

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
09873850017368517396768.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
02458520017368517402800.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
05594460017368517401901.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
08230440017368517403145.jpg
Cowlesite, etc.

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
04721760017272036176180.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
05651160017272043691941.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
00165610017272043701926.jpg
Cowlesite

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
04143360017272043708033.jpg
Cowlesite, etc.

Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
Locality type:Quarry
Classification
Species:Cowlesite
Formula:CaAl2Si3O10 · 6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chabazite2
Thomsonite-Ca1
Data
Mineral Data:Click here to view Cowlesite data
Locality Data:Click here to view Islandmore upper, Portrush, County Antrim, Northern Ireland, UK
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:535637
Long-form Identifier:1:3:535637:9
GUID (UUID V4):0
Nearest other occurrences of Cowlesite
13.9km (8.6 miles) ⓘDunseverick, County Antrim, Northern Ireland, UK
42.5km (26.4 miles) ⓘFallowvee, Waterfoot, County Antrim, Northern Ireland, UK
52.2km (32.4 miles) ⓘMinnis North, Glenarm, County Antrim, Northern Ireland, UK
54.7km (34.0 miles) ⓘLady Hill Quarry, Antrim, County Antrim, Northern Ireland, UK
58.9km (36.6 miles) ⓘParkgate Quarry, Antrim, County Antrim, Northern Ireland, UK
61.4km (38.1 miles) ⓘCraighill Quarry, Ballyclare, County Antrim, Northern Ireland, UK
63.3km (39.3 miles) ⓘGreen Road Quarry (Ballyclare Old Quarry), Ballyclare, County Antrim, Northern Ireland, UK
68.5km (42.6 miles) ⓘBasalt quarry, Magheramorne, Glynn (Glynn Hill), Larne, County Antrim, Northern Ireland, UK
73.1km (45.4 miles) ⓘHills Port, Gobbins, Islandmagee, County Antrim, Northern Ireland, UK
References
Zeolite colletion of Volker Betz
 
and/or  
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