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
Low Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK


Classification
Species:Mottramite
Formula:PbCu(VO4)(OH)
Comments:With bayldonite from an old trial on the Low Pike vein [NY320358] (N. Thomson Collection, det. BM(NH): XRD).
Habit:thin encrustations
Colour:greenish brown
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Mottramite data
Locality Data:Click here to view Low Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:7904
Long-form Identifier:1:3:7904:4
GUID (UUID V4):0
Nearest other occurrences of Mottramite
0.9km (0.6 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
1.2km (0.8 miles) ⓘNether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘIngray Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.0km (1.3 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.2km (1.4 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.2km (1.4 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.3km (1.4 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.5km (1.6 miles) ⓘArm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
2.7km (1.7 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.8km (1.7 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
 
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