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
Big Pit (Colliery), Blaenavon, Torfaen, Wales, UK


Locality type:Colliery
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Big Pit (Colliery), Blaenavon, Torfaen, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:82051
Long-form Identifier:1:3:82051:0
GUID (UUID V4):0
Nearest other occurrences of Millerite
4.4km (2.7 miles) ⓘNantyglo, Nantyglo and Blaina, Blaenau Gwent, Wales, UK
6.8km (4.2 miles) ⓘMarine Colliery, Cwm, Blaenau Gwent, Wales, UK
9.0km (5.6 miles) ⓘBedwellty Pits, Tredegar, Blaenau Gwent, Wales, UK
9.2km (5.7 miles) ⓘTy Trist Colliery, Tredegar, Blaenau Gwent, Wales, UK
10.0km (6.2 miles) ⓘMarkham Colliery, Markham, Caerphilly, Wales, UK
10.8km (6.7 miles) ⓘOakdale Colliery, Oakdale, Caerphilly, Wales, UK
12.2km (7.6 miles) ⓘBargoed Colliery, Bargoed, Caerphilly, Wales, UK
12.3km (7.7 miles) ⓘPrincetown, Caerphilly, Wales, UK
16.7km (10.4 miles) ⓘWyllie Colliery, Wyllie, Caerphilly, Wales, UK
17.3km (10.8 miles) ⓘPenallta Colliery, Ystrad Mynach, Caerphilly, Wales, UK
References
Ian Jones or national Museum of Wales collections
 
and/or  
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