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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Pyrite from
Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK


04018910017272039199794.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
07201890017271987148228.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
03489250017271987154046.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02637330017271998835473.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
04018910017272039199794.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
07201890017271987148228.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
03489250017271987154046.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02637330017271998835473.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
05230380017272039206298.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
07201890017271987148228.jpg
Pyrite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
03489250017271987154046.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02637330017271998835473.jpg
Pyrite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Comments:Crystals usually small <5mm cubic, although crystals have been found to over 2cm. And as Hemispherical forms to 1cm and small botryoidal groups.
Colour:Pale metallic yelow, commonly tarnished
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Galena10
Quartz6
Sphalerite5
Ankerite5
Dolomite4
Chalcopyrite3
Calcite2
Brianyoungite1
Melanterite1
Limonite1
Native Sulphur1
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:8996
Long-form Identifier:1:3:8996:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘRampgill Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
1.2km (0.8 miles) ⓘNenthead, Alston Moor, Eden, Cumbria, England, UK
2.1km (1.3 miles) ⓘBrownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor, Eden, Cumbria, England, UK
3.0km (1.9 miles) ⓘNentsberry Haggs Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
3.7km (2.3 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
4.0km (2.5 miles) ⓘBarneycraig Mine, Coalcleugh, West Allen, Northumberland, England, UK
5.1km (3.2 miles) ⓘTynebottom Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK
5.2km (3.2 miles) ⓘWindy Brow Vein, Alston Moor, Eden, Cumbria, England, UK
5.8km (3.6 miles) ⓘTynehead Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK
6.2km (3.9 miles) ⓘGreat Sulphur vein, Garrigill, Alston Moor, Eden, Cumbria, England, UK
References
Collected by many collectors.
 
and/or  
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