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
Ton Mawr 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:
Goethite7
Baryte6
Calcite4
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Ton Mawr Quarry, Pentyrch, Cardiff, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:47119
Long-form Identifier:1:3:47119:2
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.7km (0.4 miles) ⓘTaff's Well Quarry, Pentyrch, Cardiff, Wales, UK
9.7km (6.0 miles) ⓘBedwas Colliery, Bedwas, Caerphilly, Wales, UK
10.0km (6.2 miles) ⓘMaen Llwyd, Caerphilly, Wales, UK
10.7km (6.6 miles) ⓘCoed-Ely Colliery, Coed Ely, Rhondda Cynon Taf, Wales, UK
12.7km (7.9 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
13.2km (8.2 miles) ⓘMachen quarry, Machen, Caerphilly, Wales, UK
15.2km (9.5 miles) ⓘBendrick Rock, Barry Island, Vale of Glamorgan, Wales, UK
15.3km (9.5 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
15.5km (9.6 miles) ⓘMark Rock, Barry Island, Vale of Glamorgan, Wales, UK
17.1km (10.6 miles) ⓘFerndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
References
 
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