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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Jarosite from
Wanthwaite Mine, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Jarosite
Formula:KFe33+(SO4)2(OH)6
Comments:Kingsbury reference. Kingsbury and Hartley (1958): "occurs as a coating of yellow, microscopic crystals on quartz, with pyrite, arsenopyrite, and graphite, from the southernmost of the two veins at this mine. This vein occupies a fault between black Skiddaw Slates (on the north) and Borrowdale Volcanics (B.M. 1958, 48)."
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Jarosite data
Locality Data:Click here to view Wanthwaite Mine, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16567
Long-form Identifier:1:3:16567:1
GUID (UUID V4):0
Nearest other occurrences of Jarosite
10.0km (6.2 miles) ⓘBurdell Gill, Coombe Height, Caldbeck, Allerdale, Cumbria, England, UK
10.2km (6.3 miles) ⓘGrains Gill, Mungrisdale, Eden, Cumbria, England, UK
10.4km (6.4 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
11.2km (6.9 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
11.4km (7.1 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
11.6km (7.2 miles) ⓘBalliway Rigg, Caldbeck, Allerdale, Cumbria, England, UK
11.8km (7.3 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
12.0km (7.5 miles) ⓘCobalt Mine, Scar Crag, Causey Pike, Above Derwent, Allerdale, Cumbria, England, UK
12.0km (7.5 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
12.5km (7.8 miles) ⓘForce Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
References
Kingsbury, Arthur W. G., Hartley, J. (1958) Jarosite and natrojarosite from the Lake District. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (240). 813-815 doi:10.1180/minmag.1958.031.240.09
Day, Harry (1999) BMS Database, British Micromount Society.
 
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