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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Dolomite from
Taff's Well Quarry, Pentyrch, Cardiff, Wales, UK


09401590017371602055961.jpg
Dolomite, etc.

Taff's Well Quarry, Pentyrch, Cardiff, Wales, UK
09401590017371602055961.jpg
Dolomite, etc.

Taff's Well Quarry, Pentyrch, Cardiff, Wales, UK
02333280017272035086555.jpg
Dolomite, etc.

Taff's Well Quarry, Pentyrch, Cardiff, Wales, UK
Locality type:Quarry
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Taff's Well Quarry, Pentyrch, Cardiff, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:67769
Long-form Identifier:1:3:67769:9
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.7km (0.4 miles) ⓘTon Mawr Quarry, Pentyrch, Cardiff, Wales, UK
9.4km (5.8 miles) ⓘBedwas Colliery, Bedwas, Caerphilly, Wales, UK
9.5km (5.9 miles) ⓘMaen Llwyd, Caerphilly, Wales, UK
11.3km (7.0 miles) ⓘCoed-Ely Colliery, Coed Ely, Rhondda Cynon Taf, Wales, UK
12.6km (7.9 miles) ⓘMachen quarry, Machen, Caerphilly, Wales, UK
12.9km (8.0 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
15.1km (9.4 miles) ⓘBendrick Rock, Barry Island, Vale of Glamorgan, Wales, UK
15.4km (9.6 miles) ⓘMark Rock, Barry Island, Vale of Glamorgan, Wales, UK
15.5km (9.6 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
17.6km (10.9 miles) ⓘFerndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
References
 
and/or  
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