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
Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:10953
Long-form Identifier:1:3:10953:2
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
0.6km (0.4 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘNether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK
2.4km (1.5 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
2.7km (1.7 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.8km (1.7 miles) ⓘRoughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
15.9km (9.9 miles) ⓘEmbleton Quarry, Embleton, Allerdale, Cumbria, England, UK
18.2km (11.3 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
19.0km (11.8 miles) ⓘScar Crags, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
19.5km (12.1 miles) ⓘGoldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
References
Stanley, Chris J., Vaughan, David J. (1981) Native antimony and bournonite intergrowths in galena from the English Lake District. Mineralogical Magazine, 44 (335) 257-260 doi:10.1180/minmag.1981.044.335.02
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of the Russell Society, 11. 3-28
 
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