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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Phillipsite Subgroup from
Little Deerpark Quarry, Glenarm, County Antrim, Northern Ireland, UK


Locality type:Quarry
Classification
Species:'Phillipsite Subgroup' (not an IMA approved species)
Formula:(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Comments:Phillipsite-Ca confirmed in one specimen by XRD & quantitative XRF by Dr Stephen Moreton (unpublished data). Found as a radiating colourless cavity filling.
Confirmation
Validity:Confirmed
Confirmation Methods:XRF
Associated Minerals Based on Photo Data:
Gmelinite Subgroup1
Data
Mineral Data:Click here to view Phillipsite Subgroup data
Locality Data:Click here to view Little Deerpark Quarry, Glenarm, County Antrim, Northern Ireland, UK
Data Identifiers
Mindat Occurrence Record ID:210320
Long-form Identifier:1:3:210320:4
GUID (UUID V4):0
Nearest other occurrences of Phillipsite Subgroup
10.2km (6.3 miles) ⓘTicloy, County Antrim, Northern Ireland, UK
10.6km (6.6 miles) ⓘFallowvee, Waterfoot, County Antrim, Northern Ireland, UK
12.2km (7.6 miles) ⓘGlenariff Valley, Garron Plateau, County Antrim, Northern Ireland, UK
19.1km (11.9 miles) ⓘTwo Mouthed Cave, Islandmagee, County Antrim, Northern Ireland, UK
20.1km (12.5 miles) ⓘBasalt quarry, Magheramorne, Glynn (Glynn Hill), Larne, County Antrim, Northern Ireland, UK
23.3km (14.5 miles) ⓘCraighill Quarry, Ballyclare, County Antrim, Northern Ireland, UK
28.0km (17.4 miles) ⓘLady Hill Quarry, Antrim, County Antrim, Northern Ireland, UK
44.3km (27.5 miles) ⓘDunseverick, County Antrim, Northern Ireland, UK
48.2km (29.9 miles) ⓘGiant's Causeway, County Antrim, Northern Ireland, UK
50.6km (31.4 miles) ⓘCraigahulliar Quarry, Portrush, County Antrim, Northern Ireland, UK
References
Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
 
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