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Bayldonite from
Penberthy Croft Mine, St Hilary, Cornwall, England, UK

Locality type:Mine
Classification
Species:Bayldonite
Formula:PbCu3(AsO4)2(OH)2
Comments:There is some dispute about Penberthy Croft being the type Locality for Bayldonite, specimens may have come from Wheal Carpenter used for Church's analysis. Specimens were once in Richard Talling (mineral dealer) possession with just the location Cornwall before being passed to Church.
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
References
References:Sumin De Portilla, V., Portilla Quevedo, M., and Stepanov, V.I. (1981) The structure of bayldonite: chemical analysis, differential thermal analysis, and IR spectroscopy. American Mineralogist, 66, 148-153.;
Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.;
Camm, G.S. and Merry, M. (1991) Bayldonite & its associates from Penberthy Croft, Cornwall. U.K. Journal of Mines and Minerals, 9, 6-15. ;
Golley, P. and Williams, R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications, Truro, Cornwall.
Associated Minerals Based on Photo Data:
Mimetite8 photos of Bayldonite associated with Mimetite at this locality.
Beudantite4 photos of Bayldonite associated with Beudantite at this locality.
Aurichalcite2 photos of Bayldonite associated with Aurichalcite at this locality.
Duftite1 photo of Bayldonite associated with Duftite at this locality.
Segnitite1 photo of Bayldonite associated with Segnitite at this locality.
Pyromorphite1 photo of Bayldonite associated with Pyromorphite at this locality.
Data
Mineral Data:Click here to view Bayldonite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (16 photos)
Nearest other occurrences of Bayldonite
1.7km (1.1 miles) Halamanning Mine, St Hilary, Cornwall, England, UK
2.2km (1.4 miles) Croft Gothal Mine, St Hilary, Cornwall, England, UK
4.3km (2.7 miles) Wheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
5.2km (3.2 miles) Wheal Alfred, Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
20.5km (12.7 miles) Wheal Gorland, St Day, Cornwall, England, UK
 
Mineral and/or Locality  
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