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
Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK


06409420017367689163672.jpg
Mottramite, etc.

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
01512560017647030856865.jpg
Mottramite

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
07882290017271997971884.jpg
Mottramite, etc.

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
04292300017646986103713.jpg
Mottramite

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
07882290017271997971884.jpg
Mottramite, etc.

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
04292300017646986103713.jpg
Mottramite

Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
Locality type:Workings
Classification
Species:Mottramite
Formula:PbCu(VO4)(OH)
Comments:Det. BM(NH): XRD (D.R. Middleton, pers. comm.).
Habit:'rice grains'
Colour:brownish black
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Mottramite data
Locality Data:Click here to view Arm O'Grain, Mungrisdale, Eden, Cumbria, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:7902
Long-form Identifier:1:3:7902:0
GUID (UUID V4):0
Nearest other occurrences of Mottramite
0.8km (0.5 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
1.4km (0.9 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.5km (1.6 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.5km (1.6 miles) ⓘLow Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
2.9km (1.8 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
2.9km (1.8 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.5km (2.2 miles) ⓘIngray Gill, Caldbeck, Allerdale, Cumbria, England, UK
3.8km (2.3 miles) ⓘNether Row Brow, Caldbeck, Allerdale, Cumbria, England, UK
References
BMS Collection
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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