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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Hemimorphite from
Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Comments:M.P. Cooper Collection, identified by infra-red spectrophotometry at the University of Manchester Institute of Science and Technology (UMIST).
Habit:minutely drusy coating on small quartz crystals (M.P. Cooper Collection)
Colour:white
Confirmation
Validity:Confirmed
Confirmation Methods:Infrared Spectroscopy
Data
Mineral Data:Click here to view Hemimorphite data
Locality Data:Click here to view Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:6176
Long-form Identifier:1:3:6176:6
GUID (UUID V4):0
Nearest other occurrences of Hemimorphite
0.9km (0.6 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.2km (0.8 miles) ⓘRoughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.4km (0.9 miles) ⓘIngray Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.5km (1.0 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.8km (1.1 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.3km (1.4 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.5km (1.6 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.6km (1.6 miles) ⓘLonglands Fell Mine, Ireby and Uldale, Allerdale, Cumbria, England, UK
3.0km (1.9 miles) ⓘDriggith Mine, 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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