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
Rhuba a'Mhill, Isle of Islay, Argyll and Bute, Scotland, UK


Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Rhuba a'Mhill, Isle of Islay, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:15180
Long-form Identifier:1:3:15180:9
GUID (UUID V4):0
Nearest other occurrences of Calcite
49.6km (30.8 miles) ⓘCarsaig Bay, Carsaig, Isle of Mull, Argyll and Bute, Scotland, UK
59.2km (36.8 miles) ⓘLoch a'Mhinn, Kilmelford, Argyll and Bute, Scotland, UK
59.8km (37.1 miles) ⓘMaol nan Damh, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
62.2km (38.6 miles) ⓘAn Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
62.6km (38.9 miles) ⓘFingal's Cave, Isle of Staffa, Argyll and Bute, Scotland, UK
72.7km (45.2 miles) ⓘLarry Bane Quarry, Ballintoy, County Antrim, Northern Ireland, UK
73.3km (45.6 miles) ⓘKinbane Head, Ballintoy, County Antrim, Northern Ireland, UK
73.6km (45.8 miles) ⓘBengore Head, Dunseverick, County Antrim, Northern Ireland, UK
74.6km (46.3 miles) ⓘDunseverick, County Antrim, Northern Ireland, UK
75.7km (47.0 miles) ⓘGreat Cumbrae, North Ayrshire, Scotland, UK
References
Green, D. I. (1988) The Minerals of Rhuba a'Mhill Islay, Scotland. UK Journal of Mines and Minerals 4, Rockbottom Publications. 29-31
Day, Harry (1999) BMS Database, British Micromount Society.
 
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