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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Calcite from
Hills Port, Gobbins, Islandmagee, County Antrim, Northern Ireland, UK


Locality type:Occurrence
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Hills Port, Gobbins, Islandmagee, County Antrim, Northern Ireland, UK
Data Identifiers
Mindat Occurrence Record ID:190873
Long-form Identifier:1:3:190873:2
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.1km (1.3 miles) ⓘHeddles Port, Islandmagee, County Antrim, Northern Ireland, UK
4.9km (3.1 miles) ⓘBasalt quarry, Magheramorne, Glynn (Glynn Hill), Larne, County Antrim, Northern Ireland, UK
5.0km (3.1 miles) ⓘTwo Mouthed Cave, Islandmagee, County Antrim, Northern Ireland, UK
5.5km (3.4 miles) ⓘSkarn, Port Muck, Islandmagee, County Antrim, Northern Ireland, UK
9.6km (6.0 miles) ⓘCarneal, Glenoe, Larne, County Antrim, Northern Ireland, UK
18.9km (11.7 miles) ⓘScawt Hill, Larne, County Antrim, Northern Ireland, UK
19.2km (11.9 miles) ⓘBruslee quarry, Ballyclare, County Antrim, Northern Ireland, UK
19.7km (12.2 miles) ⓘGreen Road Quarry (Ballyclare Old Quarry), Ballyclare, County Antrim, Northern Ireland, UK
20.2km (12.5 miles) ⓘCraighill Quarry, Ballyclare, County Antrim, Northern Ireland, UK
20.7km (12.8 miles) ⓘWhitespots-Conlig mines (Whitespots-Conlig vein), Conlig, County Down, Northern Ireland, UK
References
Nawaz, Rab, Malone, John F. (1982) Gobbinsite, a new zeolite mineral from Co. Antrim, N. Ireland. Mineralogical Magazine, 46 (340) 365-369 doi:10.1180/minmag.1982.046.340.12
 
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