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
Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK


04106250017367155461946.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
04602670017271996746674.jpg
Pharmacosiderite, etc.

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
06329610017271996753953.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
04106250017367155461946.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00044100017271986669555.jpg
Pharmacosiderite, etc.

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
06329610017271996753953.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
04106250017367155461946.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00044100017271986669555.jpg
Pharmacosiderite, etc.

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
06329610017271996753953.jpg
Pharmacosiderite

Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, 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:
Wolframite Group1
Data
Mineral Data:Click here to view Pharmacosiderite data
Locality Data:Click here to view Old Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:8510
Long-form Identifier:1:3:8510:6
GUID (UUID V4):0
Nearest other occurrences of Pharmacosiderite
0.4km (0.3 miles) ⓘSouth Bedford Mine (South Gunnislake Mine; in part: South Bedford and East Gunnislake Mine), Gulworthy, West Devon, Devon, England, UK
1.3km (0.8 miles) ⓘDrakewalls Mine, Drakewalls, Calstock, Cornwall, England, UK
2.1km (1.3 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
2.2km (1.4 miles) ⓘHingston Down Consols, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
15.3km (9.5 miles) ⓘMarke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK
16.6km (10.3 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
17.1km (10.7 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
19.5km (12.1 miles) ⓘHemerdon Tungsten Mine (Drakelands Mine), Sparkwell, South Hams, Devon, England, UK
39.2km (24.4 miles) ⓘPrideaux Wood Mine (Wheal Kendall), Prideaux, Luxulyan (Luxullian), Cornwall, England, UK
43.3km (26.9 miles) ⓘPolmear Cliff, Carlyon, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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