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
Castell Coch Quarry, Tongwynlais, Cardiff, Wales, UK


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Castell Coch Quarry, Tongwynlais, Cardiff, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:75776
Long-form Identifier:1:3:75776:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.8km (0.5 miles) ⓘTaff's Well Quarry, Pentyrch, Cardiff, Wales, UK
1.1km (0.7 miles) ⓘGarth Mine (Little Garth Mine), Pentyrch, Cardiff, Wales, UK
1.3km (0.8 miles) ⓘTon Mawr Quarry, Pentyrch, Cardiff, Wales, UK
2.4km (1.5 miles) ⓘBlaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
4.0km (2.5 miles) ⓘCregiau Quarry, Pentyrch, Cardiff, Wales, UK
6.5km (4.0 miles) ⓘRhiwsaeson (Gwern Efa), Llantrisant, Rhondda Cynon Taf, Wales, UK
7.2km (4.5 miles) ⓘWindsor Colliery, Abertridwr, Caerphilly, Wales, UK
7.7km (4.8 miles) ⓘHendy Quarry, Llantrisant, Rhondda Cynon Taf, Wales, UK
7.7km (4.8 miles) ⓘA4119 roadcutting, Llantrisant, Rhondda Cynon Taf, Wales, UK
8.7km (5.4 miles) ⓘMaen Llwyd, Caerphilly, Wales, UK
References
 
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