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
Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK


06748000017369426093746.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
00801650017272024479098.jpg
Millerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
08712500017272024481029.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
06748000017369426093746.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
09045620017369426094957.jpg
Millerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
08712500017272024481029.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
06748000017369426093746.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
00801650017272024479098.jpg
Millerite, etc.

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
08712500017272024481029.jpg
Millerite

Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Locality type:Open-Cast Mine
Classification
Species:Millerite
Formula:NiS
Comments:Xl mats to several cms
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Ankerite1
Chalcopyrite1
Quartz1
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:39207
Long-form Identifier:1:3:39207:1
GUID (UUID V4):0
Nearest other occurrences of Millerite
2.4km (1.5 miles) ⓘDyffryn Cellwen coal workings, Onllwyn, Neath Port Talbot, Wales, UK
6.1km (3.8 miles) ⓘAberpergwm Colliery, Glynneath, Neath Port Talbot, Wales, UK
19.2km (12.0 miles) ⓘInternational Colliery, Blaengarw, Bridgend, Wales, UK
19.4km (12.0 miles) ⓘParc Colliery (Park), Cwmparc, Rhondda Cynon Taf, Wales, UK
19.7km (12.3 miles) ⓘDare Colliery, Cwmparc, Rhondda Cynon Taf, Wales, UK
20.2km (12.5 miles) ⓘSt John's Colliery, Maesteg, Bridgend, Wales, UK
20.8km (12.9 miles) ⓘFforchaman Colliery, Cwmaman, Rhondda Cynon Taf, Wales, UK
21.6km (13.4 miles) ⓘCwmneol Colliery (Morris's pit), Cwmaman, Rhondda Cynon Taf, Wales, UK
21.6km (13.4 miles) ⓘWestern Colliery, Nant-y-moel, Bridgend, Wales, UK
21.8km (13.5 miles) ⓘWyndham Colliery, Nant-y-moel, Bridgend, Wales, UK
References
 
and/or  
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