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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Devilline from
Geevor Mine, Pendeen, St Just, Cornwall, England, UK


04781640017366456983877.jpg
Devilline, etc.

Geevor Mine, Pendeen, St Just, Cornwall, England, UK
04781640017366456983877.jpg
Devilline, etc.

Geevor Mine, Pendeen, St Just, Cornwall, England, UK
06806910017366456992970.jpg
Devilline, etc.

Geevor Mine, Pendeen, St Just, Cornwall, England, UK
Locality type:Mine
Classification
Species:Devilline
Formula:CaCu4(SO4)2(OH)6 · 3H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Gypsum1
Data
Mineral Data:Click here to view Devilline data
Locality Data:Click here to view Geevor Mine, Pendeen, St Just, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:4436
Long-form Identifier:1:3:4436:3
GUID (UUID V4):0
Nearest other occurrences of Devilline
1.5km (0.9 miles) ⓘPendeen Consols, Pendeen, St Just, Cornwall, England, UK
1.6km (1.0 miles) ⓘWheal Hazard, Botallack Mine, Botallack, St Just, Cornwall, England, UK
2.0km (1.3 miles) ⓘWest Wheal Owles (Cargodna Mine), Botallack, St Just, Cornwall, England, UK
18.1km (11.2 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
18.7km (11.6 miles) ⓘEnnys Wheal Virgin, St Hilary, Cornwall, England, UK
40.4km (25.1 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
41.7km (25.9 miles) ⓘPerran St George Mine (Perran Great St George Mine; Great St George Mine; Perran St George United Mine), Perran St George and Droskyn Mines, Perranporth, Perranzabuloe, Cornwall, England, UK
73.8km (45.8 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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