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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Malachite from
Markham Colliery, Markham, Caerphilly, Wales, UK


07332170017363591538176.jpg
Malachite, etc.

Markham Colliery, Markham, Caerphilly, Wales, UK
07332170017363591538176.jpg
Malachite, etc.

Markham Colliery, Markham, Caerphilly, Wales, UK
07332170017363591538176.jpg
Malachite, etc.

Markham Colliery, Markham, Caerphilly, Wales, UK
Locality type:Colliery
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chalcopyrite1
Siderite1
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Markham Colliery, Markham, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:536276
Long-form Identifier:1:3:536276:9
GUID (UUID V4):0
Nearest other occurrences of Malachite
14.0km (8.7 miles) ⓘMachen quarry, Machen, Caerphilly, Wales, UK
16.3km (10.2 miles) ⓘFerndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
20.2km (12.5 miles) ⓘTaff's Well Quarry, Pentyrch, Cardiff, Wales, UK
21.3km (13.3 miles) ⓘCregiau Quarry, Pentyrch, Cardiff, Wales, UK
23.0km (14.3 miles) ⓘA4119 roadcutting, Llantrisant, Rhondda Cynon Taf, Wales, UK
23.4km (14.5 miles) ⓘBute Quarry, Llantrisant, Rhondda Cynon Taf, Wales, UK
23.7km (14.8 miles) ⓘHendy Quarry, Llantrisant, Rhondda Cynon Taf, Wales, UK
31.0km (19.2 miles) ⓘPenarth beach, Penarth, Vale of Glamorgan, Wales, UK
38.0km (23.6 miles) ⓘClevedon Beach, Clevedon, North Somerset, England, UK
43.5km (27.0 miles) ⓘNeath Abbey Copper Smelter, Neath, Neath Port Talbot, Wales, UK
References
Bill Gordon collection
 
and/or  
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