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


Locality type:Mine
Classification
Species:Natrojarosite
Formula:NaFe3(SO4)2(OH)6
Comments:Kingsbury reference. Kingsbury and Hartley (1958): "While the southernmost vein at the Wanthwaite mine yielded jarosite, the northern vein yielded its rarer relative, natrojarosite (NaFe3(SO4)2(OH)6).[...] aggregates of small (up to 0.5 mm.) golden-brown rhombohedral crystals on massive and botryoidal goethite, the crystals showing combinations of the basal plane c{0001} with e{1011} and s{0112}."
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Natrojarosite 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:17025
Long-form Identifier:1:3:17025:7
GUID (UUID V4):0
Nearest other occurrences of Natrojarosite
17.1km (10.6 miles) ⓘEmbleton Quarry, Embleton, 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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