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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Erionite Subgroup from
Giant's Causeway, County Antrim, Northern Ireland, UK


00898770017272736014823.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
00209030017272004705083.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
07831390017272005198650.jpg
Erionite Subgroup

Giant's Causeway, County Antrim, Northern Ireland, UK
05593670017272004683473.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
00898770017272736014823.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
01346640017370734876287.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
07831390017272005198650.jpg
Erionite Subgroup

Giant's Causeway, County Antrim, Northern Ireland, UK
05593670017272004683473.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
02859600017272736013440.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
09658880017272004735739.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
07831390017272005198650.jpg
Erionite Subgroup

Giant's Causeway, County Antrim, Northern Ireland, UK
05593670017272004683473.jpg
Erionite-K

Giant's Causeway, County Antrim, Northern Ireland, UK
Locality type:Nature Reserve
Classification
Species:'Erionite Subgroup' (not an IMA approved species)
Formula:M2[Al4Si14O36] · 15H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Paulingite-Na1
Data
Mineral Data:Click here to view Erionite Subgroup data
Locality Data:Click here to view Giant's Causeway, County Antrim, Northern Ireland, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:4990
Long-form Identifier:1:3:4990:0
GUID (UUID V4):0
Localities for Erionite Subgroup in this Region
Port Ganny, Giant's Causeway, County Antrim, Northern Ireland, UK
Nearest other occurrences of Erionite Subgroup
0.3km (0.2 miles) ⓘPort Ganny, Giant's Causeway, County Antrim, Northern Ireland, UK
10.4km (6.5 miles) ⓘIslandmore upper, Portrush, County Antrim, Northern Ireland, UK
61.5km (38.2 miles) ⓘParkgate Quarry, Antrim, County Antrim, Northern Ireland, UK
73.1km (45.4 miles) ⓘHightown Quarry, Templepatrick, County Antrim, Northern Ireland, UK
References
King, Vandall T., Robinson, George W. (1989) What's New in Minerals? - Sixteenth Annual Rochester Academy of Science Mineralogical Symposium. The Mineralogical Record, 20 (5) 387-399pp.395-395
 
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