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


06527920017272039798448.jpg
Serpierite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
01261340017271987278507.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02550750017271998898916.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
06527920017272039798448.jpg
Serpierite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
01261340017271987278507.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02902070017272056419119.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
06527920017272039798448.jpg
Serpierite

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
01261340017271987278507.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
02550750017271998898916.jpg
Serpierite, etc.

Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Locality type:Mine
Classification
Species:Serpierite
Formula:Ca(Cu2+,Zn2+)4(S6+O4)2(OH)6 · 3H2O
Comments:Forms micro-lath-like crystals. Some supposed serpierite specimens appear not to be this species, test are under way to prove or disprove this assumption
Colour:Light blue-green
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Gypsum2
Data
Mineral Data:Click here to view Serpierite data
Locality Data:Click here to view Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:9964
Long-form Identifier:1:3:9964:6
GUID (UUID V4):0
Nearest other occurrences of Serpierite
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
5.1km (3.2 miles) ⓘTynebottom Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK
29.3km (18.2 miles) ⓘCastleside Smelting Mill slag locality, Healeyfield, County Durham, England, UK
46.3km (28.8 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
46.5km (28.9 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
47.2km (29.3 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
49.2km (30.6 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
49.9km (31.0 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
62.4km (38.8 miles) ⓘForce Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
References
Bridges, T. F. (1987) Serpierite and devilline from the Northern Pennine Orefield. Proceedings of the Yorkshire Geological Society, 46 (2). 169 doi:10.1144/pygs.46.2.169
 
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