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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Epidote from
Porthkerris Quarry, Porthoustock, St Keverne, Cornwall, England, UK


Locality type:Quarry
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Porthkerris Quarry, Porthoustock, St Keverne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:4923
Long-form Identifier:1:3:4923:8
GUID (UUID V4):0
Nearest other occurrences of Epidote
14.2km (8.8 miles) ⓘPen Olver, Landewednack, Cornwall, England, UK
15.9km (9.9 miles) ⓘRoskrow United Mine, Perranarworthal, Cornwall, England, UK
18.9km (11.8 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
21.0km (13.1 miles) ⓘClyjah and Wentworth Mine (Perseverance Mine), Redruth, Cornwall, England, UK
23.2km (14.4 miles) ⓘNew Tolgus Shaft, Tarewaste, Redruth, Cornwall, England, UK
23.7km (14.7 miles) ⓘTuckingmill, Camborne, Cornwall, England, UK
29.9km (18.6 miles) ⓘWheal Lucy (Riviere Mine), Hayle, Cornwall, England, UK
34.2km (21.2 miles) ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK
35.5km (22.1 miles) ⓘLamorna Cove, St Buryan, Cornwall, England, UK
36.6km (22.7 miles) ⓘCarn Silver, St Buryan, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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