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Hidalgoite from
Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Hidalgoite
Formula:PbAl3(AsO4)(SO4)(OH)6
Comments:Embrey (1978): "A specimen of bluish-grey plumbogummite from Roughton Gill, Cumberland, appeared to be a mixcrystal of hinsdalite, plumbogummite, and hidalgoite. E. B. FÃķrtsch (1967), Mineral. Mag. 36, 530."

Cooper & Stanley (1990): "Supposedly a component of 'plumbogummite' (FÃķrtsch 1967). However, the analysis of plumbogummite by Hartley (1900) - used by FÃķrtsch - shows no sulphate and only trace amounts of arsenic."
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Hidalgoite data
Locality Data:Click here to view Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16470
Long-form Identifier:1:3:16470:6
GUID (UUID V4):0
References
FÃķrtsch, E. B. (1967) ‘Plumbogummite’ from Roughten Gill Cumberland. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (280) 530-538 doi:10.1180/minmag.1967.036.280.07
Embrey, Peter G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42 (322) 169-177 doi:10.1180/minmag.1978.042.322.01
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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