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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Caledonite from
Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


07589830017362264496911.jpg
Caledonite, etc.

Higher Roughton Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
07589830017362264496911.jpg
Caledonite, etc.

Higher Roughton Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
05436840017362264515002.jpg
Caledonite, etc.

Higher Roughton Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Classification
Species:Caledonite
Formula:Pb5Cu2(SO4)3(CO3)(OH)6
Habit:velvety encrustations; radiating sprays of acicular crystals; elongated prisms; laths; feathery
Colour:pale blue, deep blue, sky blue
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cerussite3
Linarite3
Malachite3
Galena1
Quartz1
Data
Mineral Data:Click here to view Caledonite data
Locality Data:Click here to view Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:401690
Long-form Identifier:1:3:401690:8
GUID (UUID V4):0
Nearest other occurrences of Caledonite
0.0km (0.0 miles) ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.4km (0.2 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.1km (0.7 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (1.0 miles) ⓘWet Smale Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘBrae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.3km (1.5 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
3.5km (2.2 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
References
Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Cumberland and Westmorland. The North Western Naturalist, 23, 136-154.
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
Green, David I. (1989) Scotlandite from Higher Roughton Gill, Caldbeck Fells, Cumbria. Mineralogical Magazine, 53 (373) 653 doi:10.1180/minmag.1989.053.373.20
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of the Russell Society, 11. 3-28
 
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