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
Hemerdon Tungsten Mine (Drakelands Mine), Sparkwell, South Hams, Devon, England, UK


09368980017367829315160.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
01953790017360818611981.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
01964170017271998714421.jpg
Pharmacosiderite, etc.

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
05621870017816193684882.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
09368980017367829315160.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
09819730017368930689589.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
03815560017368930684673.jpg
Pharmacosiderite, etc.

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
02220920017816193676281.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
02062680017368930706296.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
01953790017360818611981.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
01964170017271998714421.jpg
Pharmacosiderite, etc.

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
02940050017850396169692.jpg
Pharmacosiderite

Hemerdon Tungsten Mine, Sparkwell, South Hams, Devon, England, UK
Locality type:Mine
Classification
Species:Pharmacosiderite
Formula:KFe43+(AsO4)3(OH)4 · 6-7H2O
Comments:Not uncommon as cubic crystals to 1mm, rare as crystals over 1.5mm. The colour varies from almost colourless to light green, yellow-brown, and yellow.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Scorodite19
Quartz2
Hematite1
- var Specularite1
Goethite1
Data
Mineral Data:Click here to view Pharmacosiderite data
Locality Data:Click here to view Hemerdon Tungsten Mine (Drakelands Mine), Sparkwell, South Hams, Devon, England, UK
Photo GalleryView Gallery (25 photos)
Data Identifiers
Mindat Occurrence Record ID:8522
Long-form Identifier:1:3:8522:9
GUID (UUID V4):0
Nearest other occurrences of Pharmacosiderite
19.2km (11.9 miles) ⓘDrakewalls Mine, Drakewalls, Calstock, Cornwall, England, UK
19.2km (11.9 miles) ⓘSouth Bedford Mine (South Gunnislake Mine; in part: South Bedford and East Gunnislake Mine), Gulworthy, West Devon, Devon, England, UK
19.5km (12.1 miles) ⓘOld Gunnislake Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
21.0km (13.0 miles) ⓘHingston Down Consols, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
21.1km (13.1 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
32.3km (20.1 miles) ⓘMarke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK
33.3km (20.7 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
33.8km (21.0 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
49.9km (31.0 miles) ⓘPrideaux Wood Mine (Wheal Kendall), Prideaux, Luxulyan (Luxullian), Cornwall, England, UK
52.9km (32.8 miles) ⓘPolmear Cliff, Carlyon, Cornwall, England, UK
References
Moore, Thomas P. (2001) What's New in Minerals - Tucson Show 2001. The Mineralogical Record, 32 (3) 245-257
 
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