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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Bornite from
Penberthy Croft Mine, St Hilary, Cornwall, England, UK


02420110017369411451303.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
05522340017369411441335.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
02441560017360818089854.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00209320017271998845347.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
02441560017360818089854.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00209320017271998845347.jpg
Bornite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Siderite1
Chalcopyrite1
Quartz1
Chlorite Group1
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:40223
Long-form Identifier:1:3:40223:5
GUID (UUID V4):0
Nearest other occurrences of Bornite
5.2km (3.2 miles) ⓘWheal Alfred, Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
5.5km (3.4 miles) ⓘAlfred Consols (East Wheal Alfred; Laity Hills Mine), Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
8.0km (5.0 miles) ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK
8.5km (5.3 miles) ⓘPedn Olva Mine (Pednolver Mine; North Wheal Providence), St Ives, Cornwall, England, UK
8.7km (5.4 miles) ⓘWheal Trenwith, St Ives, Cornwall, England, UK
8.8km (5.5 miles) ⓘSt Ives Consols (incl. Wellesley Mine; Wheal Mary), St Ives, Cornwall, England, UK
9.8km (6.1 miles) ⓘPenlee Quarry, Newlyn, Penzance, Cornwall, England, UK
10.9km (6.8 miles) ⓘWheal Pendarves, Killivose, Camborne, Cornwall, England, UK
12.0km (7.4 miles) ⓘCamborne Vean Mine (incl. New Dolcoath Mine), Camborne, Cornwall, England, UK
13.2km (8.2 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
References
Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines and Minerals 20, Rockbottom Publications. 7-37
 
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