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
Windsor Colliery, Abertridwr, Caerphilly, Wales, UK


09980370017783261887831.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
00016130017272031024691.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
02531960017779616805480.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
01327280017780933991239.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
00016130017272031024691.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
02892080017779251059022.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
09980370017783261887831.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
00016130017272031024691.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
02531960017779616805480.jpg
Millerite, etc.

Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
Locality type:Colliery
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Siderite4
Galena3
Siegenite1
Quartz1
Dickite1
Chalcopyrite1
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Windsor Colliery, Abertridwr, Caerphilly, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:68145
Long-form Identifier:1:3:68145:2
GUID (UUID V4):0
Nearest other occurrences of Millerite
1.5km (0.9 miles) ⓘUniversal Colliery, Senghenydd, Caerphilly, Wales, UK
3.2km (2.0 miles) ⓘLlanbradach Colliery, Llanbradach, Caerphilly, Wales, UK
5.6km (3.5 miles) ⓘPenallta Colliery, Ystrad Mynach, Caerphilly, Wales, UK
5.9km (3.7 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
6.0km (3.7 miles) ⓘBedwas Colliery, Bedwas, Caerphilly, Wales, UK
6.1km (3.8 miles) ⓘCwm Colliery, Beddau, Llantwit Fardre, Rhondda Cynon Taf, Wales, UK
6.8km (4.2 miles) ⓘWyllie Colliery, Wyllie, Caerphilly, Wales, UK
7.9km (4.9 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
8.3km (5.2 miles) ⓘHafod Pit (Colliery), Trehafod, Rhondda Cynon Taf, Wales, UK
9.7km (6.0 miles) ⓘRisca Colliery (Blackvein Colliery), Risca, Caerphilly, Wales, UK
References
Ian Jones collection. Aragonite confirmed by XRD at the National Museum of Wales
 
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