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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Pharmacosiderite from
Wheal Gorland, St Day, Cornwall, England, UK


09084530017271925585981.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
03255060017271969411980.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
05800630017271980971602.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
06530870017271981011305.jpg
Pharmacosiderite, etc.

Wheal Gorland, St Day, Cornwall, England, UK
09084530017271925585981.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
03255060017271969411980.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
03895740017363005577956.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
09059270017363005578532.jpg
Pharmacosiderite, etc.

Wheal Gorland, St Day, Cornwall, England, UK
09084530017271925585981.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
03255060017271969411980.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
05800630017271980971602.jpg
Pharmacosiderite

Wheal Gorland, St Day, Cornwall, England, UK
06530870017271981011305.jpg
Pharmacosiderite, etc.

Wheal Gorland, St Day, Cornwall, England, UK
Locality type:Mine
Classification
Species:Pharmacosiderite
Formula:KFe43+(AsO4)3(OH)4 · 6-7H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Scorodite14
Quartz6
Chalcophyllite5
Olivenite3
Liroconite2
Goethite2
Arsenopyrite1
Data
Mineral Data:Click here to view Pharmacosiderite data
Locality Data:Click here to view Wheal Gorland, St Day, Cornwall, England, UK
Photo GalleryView Gallery (36 photos)
Data Identifiers
Mindat Occurrence Record ID:8524
Long-form Identifier:1:3:8524:3
GUID (UUID V4):0
Localities for Pharmacosiderite in this Region
Wheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK
Nearest other occurrences of Pharmacosiderite
0.2km (0.1 miles) ⓘWheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK
0.6km (0.4 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Jewel, Gwennap, Cornwall, England, UK
1.0km (0.6 miles) ⓘEast Wheal Damsel, Carharrack, Cornwall, England, UK
1.1km (0.7 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
1.9km (1.2 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
2.0km (1.2 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
2.9km (1.8 miles) ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
3.2km (2.0 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
4.1km (2.6 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
References
Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.)
Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro.
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Miers, H. A. (1894) Spangolite. Mineralogical Magazine and Journal of the Mineralogical Society, 10 (48) 273-277 doi:10.1180/minmag.1894.010.48.02
 
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