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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Tetrahedrite Subgroup from
Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK


06374930017361193364010.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
08033890017370587358786.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
01835280017271987392021.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
03614930017271987385735.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
01050420017370587362629.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
08033890017370587358786.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
01835280017271987392021.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
03614930017271987385735.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
06374930017361193364010.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
03447160017370587361053.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
01835280017271987392021.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
03614930017271987385735.jpg
Tetrahedrite Subgroup, etc.

Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chalcopyrite14
Galena8
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:17902
Long-form Identifier:1:3:17902:7
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
3.0km (1.9 miles) ⓘWythburn Mine (Wheal Henry; Helvellyn Mine), St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
3.3km (2.0 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
13.7km (8.5 miles) ⓘGoldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
14.7km (9.1 miles) ⓘTilberthwaite Gill, Coniston, South Lakeland, Cumbria, England, UK
16.5km (10.3 miles) ⓘScar Crags, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
17.1km (10.6 miles) ⓘPaddy End Mine, Coniston, South Lakeland, Cumbria, England, UK
19.1km (11.9 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
20.4km (12.7 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
20.9km (13.0 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
21.0km (13.0 miles) ⓘRoughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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