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


03416350017366801255179.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00420770017272001005738.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
07794710017272000963449.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00602770017272001103226.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
07839640017368213009300.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00420770017272001005738.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
07794710017272000963449.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00602770017272001103226.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00386860017368213014024.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
08827820017272001122151.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
07794710017272000963449.jpg
Erythrite

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
00602770017272001103226.jpg
Erythrite, etc.

Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Erythrite
Formula:Co3(AsO4)2 · 8H2O
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Confirmation Details:Where Tested and Reference ID: NHM London XRD
Associated Minerals Based on Photo Data:
Bismutite2
Quartz2
Devilline1
Alunite Group1
Birnessite1
Bismuthinite1
Ankerite1
Dolomite1
Cassiterite1
Chlorite Group1
Carminite1
Native Bismuth1
Chalcopyrite1
Data
Mineral Data:Click here to view Erythrite data
Locality Data:Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:5035
Long-form Identifier:1:3:5035:7
GUID (UUID V4):0
Nearest other occurrences of Erythrite
0.6km (0.4 miles) ⓘEnnys Wheal Virgin, St Hilary, Cornwall, England, UK
1.0km (0.7 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
2.1km (1.3 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
7.3km (4.5 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
8.7km (5.4 miles) ⓘWheal Trenwith, St Ives, Cornwall, England, UK
8.9km (5.6 miles) ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK
13.2km (8.2 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
14.9km (9.3 miles) ⓘEast Pool Mine, Pool, Carn Brea, Cornwall, England, UK
17.2km (10.7 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
17.6km (10.9 miles) ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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