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
Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK


02324720017369345628477.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00216810017272017053799.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
06801240017272017062998.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00314130017272017083229.jpg
Calcite, etc.

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
02324720017369345628477.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00876440017371055857747.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
06801240017272017062998.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00314130017272017083229.jpg
Calcite, etc.

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
01945530017371055855040.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00216810017272017053799.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
06801240017272017062998.jpg
Calcite

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
00314130017272017083229.jpg
Calcite, etc.

Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Comments:Xls to 10cms
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite3
Baryte1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Blaengwynlais Quarry, Tongwynlais, Cardiff, Wales, UK
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:13552
Long-form Identifier:1:3:13552:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.4km (1.5 miles) ⓘCastell Coch Quarry, Tongwynlais, Cardiff, Wales, UK
3.2km (2.0 miles) ⓘTaff's Well Quarry, Pentyrch, Cardiff, Wales, UK
3.3km (2.1 miles) ⓘGarth Mine (Little Garth Mine), Pentyrch, Cardiff, Wales, UK
3.7km (2.3 miles) ⓘTon Mawr Quarry, Pentyrch, Cardiff, Wales, UK
6.0km (3.8 miles) ⓘWindsor Colliery, Abertridwr, Caerphilly, Wales, UK
6.2km (3.9 miles) ⓘCregiau Quarry, Pentyrch, Cardiff, Wales, UK
6.4km (4.0 miles) ⓘMaen Llwyd, Caerphilly, Wales, UK
8.5km (5.3 miles) ⓘRhiwsaeson (Gwern Efa), Llantrisant, Rhondda Cynon Taf, Wales, UK
9.5km (5.9 miles) ⓘMachen quarry, Machen, Caerphilly, Wales, UK
9.7km (6.0 miles) ⓘA4119 roadcutting, Llantrisant, Rhondda Cynon Taf, Wales, UK
References
W Gordon collection
 
and/or  
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