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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Millerite from
Ferndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK


03134530017362215148882.jpg
Millerite, etc.

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
00148820017272031019420.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
06020030017272030952691.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
03134530017362215148882.jpg
Millerite, etc.

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
04689490017272030936871.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
05695380017272030929277.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
03134530017362215148882.jpg
Millerite, etc.

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
04689490017272030936871.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
06020030017272030952691.jpg
Millerite

Ferndale Pits, Tylorstown, Rhondda Cynon Taf, Wales, UK
Locality type:Pit
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Galena1
Siderite1
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Ferndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda Cynon Taf, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:68156
Long-form Identifier:1:3:68156:8
GUID (UUID V4):0
Nearest other occurrences of Millerite
3.4km (2.1 miles) ⓘGelli Colliery (Globe), Gelli, Rhondda Cynon Taf, Wales, UK
3.7km (2.3 miles) ⓘFforchaman Colliery, Cwmaman, Rhondda Cynon Taf, Wales, UK
3.9km (2.4 miles) ⓘCwmneol Colliery (Morris's pit), Cwmaman, Rhondda Cynon Taf, Wales, UK
5.2km (3.2 miles) ⓘHafod Pit (Colliery), Trehafod, Rhondda Cynon Taf, Wales, UK
5.6km (3.5 miles) ⓘCambrian Colliery, Clydach Vale, Rhondda Cynon Taf, Wales, UK
6.2km (3.9 miles) ⓘDare Colliery, Cwmparc, Rhondda Cynon Taf, Wales, UK
6.4km (4.0 miles) ⓘBritannic Merthyr Colliery, Gilfach Coch, Rhondda Cynon Taf, Wales, UK
6.9km (4.3 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
7.1km (4.4 miles) ⓘParc Colliery (Park), Cwmparc, Rhondda Cynon Taf, Wales, UK
8.3km (5.1 miles) ⓘWestern Colliery, Nant-y-moel, Bridgend, Wales, UK
References
Ian Jones collection
 
and/or  
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