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


Locality type:Mine
Classification
Species:Conichalcite
Formula:CaCu(AsO4)(OH)
Comments:Cooper & Stanley (1990): Found in situ [in the Driggith-Sandbeds outcrop workings] by Kingsbury & Hartley (MS) in 'one of the old open-cast workings' in a form 'similar to that at Potts Gill mine' with iron-stained sugary quartz and 'psilomelane'. Listed by Hartley (1984). 'With wulfenite, pyromorphite, mimetite and anglesite (BM(NH)' (Young, 1987: 39)."
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Conichalcite data
Locality Data:Click here to view Driggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:3881
Long-form Identifier:1:3:3881:2
GUID (UUID V4):0
Nearest other occurrences of Conichalcite
1.5km (0.9 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
References
Kingsbury, A.W.G. and Hartley, J. (MS) (1951) New occurrences of rare minerals in the northern part of the English Lake District: part 1.
Kingsbury, A.W.G. and Hartley, J. (MS1) (1953 or later) Investigation of the minerals of the Lake District, especially the Caldbeck area, in collaboration with J. Hartley. List of minerals found by us at many localities examined 1947-.
Hartley, J. (1984) A list of minerals associated with the ore deposits of the Caldbeck Fells, Cumbria. Transactions of the Leeds Geological Association, 10 (3) 22-39
Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne. 104pp.
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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