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
International Colliery, Blaengarw, Bridgend, Wales, UK


08711190017367182326117.jpg
Millerite, etc.

International Colliery, Blaengarw, Bridgend, Wales, UK
08711190017367182326117.jpg
Millerite, etc.

International Colliery, Blaengarw, Bridgend, Wales, UK
07642780017367182333216.jpg
Millerite, etc.

International Colliery, Blaengarw, Bridgend, Wales, UK
Locality type:Colliery
Classification
Species:Millerite
Formula:NiS
Comments:Tips now removed and landscaped.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Dickite1
Chalcopyrite1
Siderite1
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view International Colliery, Blaengarw, Bridgend, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:68276
Long-form Identifier:1:3:68276:1
GUID (UUID V4):0
Nearest other occurrences of Millerite
2.8km (1.7 miles) ⓘSt John's Colliery, Maesteg, Bridgend, Wales, UK
3.7km (2.3 miles) ⓘWyndham Colliery, Nant-y-moel, Bridgend, Wales, UK
4.0km (2.5 miles) ⓘWestern Colliery, Nant-y-moel, Bridgend, Wales, UK
4.1km (2.6 miles) ⓘPenllwyngwent Colliery, Wyndham, Bridgend, Wales, UK
5.0km (3.1 miles) ⓘParc Colliery (Park), Cwmparc, Rhondda Cynon Taf, Wales, UK
5.8km (3.6 miles) ⓘDare Colliery, Cwmparc, Rhondda Cynon Taf, Wales, UK
7.0km (4.4 miles) ⓘCambrian Colliery, Clydach Vale, Rhondda Cynon Taf, Wales, UK
8.1km (5.0 miles) ⓘBritannic Merthyr Colliery, Gilfach Coch, Rhondda Cynon Taf, Wales, UK
8.6km (5.3 miles) ⓘGelli Colliery (Globe), Gelli, Rhondda Cynon Taf, Wales, UK
10.1km (6.3 miles) ⓘPark Slip West (Margam Opencast), Cefn Cribwr, Bridgend, Wales, UK
References
Ian Jones collection
 
and/or  
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