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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Mottramite from
Nether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK


Classification
Species:Mottramite
Formula:PbCu(VO4)(OH)
Comments:Kingsbury reference.
Habit:small, drusy botryoidal crusts on compact masses of earthy brown beudantite, closely associated with beaverite and a little cerussite.
Colour:olive green
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Mottramite data
Locality Data:Click here to view Nether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16985
Long-form Identifier:1:3:16985:3
GUID (UUID V4):0
Nearest other occurrences of Mottramite
1.2km (0.8 miles) ⓘLow Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘIngray Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.9km (1.8 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.2km (2.0 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
3.3km (2.1 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.3km (2.1 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.6km (2.2 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.8km (2.3 miles) ⓘArm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
3.9km (2.4 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Kingsbury, Arthur W. G., Hartley, J. (1956) New occurrences of vanadium minerals (mottramite, descloizite, and vanadinite) in the Caldbeck area of Cumberland. Mineralogical Magazine and Journal of the Mineralogical Society, 31 (235) 289-295 doi:10.1180/minmag.1956.031.235.02
Kingsbury, Arthur W. G., Hartley, J. (1960) Carminite and beudantite from the northern part of the Lake District and from Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (249) 423-432 doi:10.1180/minmag.1960.032.249.01
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
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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