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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Siderite from
Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK


01574050017367931151398.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00575340017271986878178.jpg
Siderite, etc.

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00942250017271996975118.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
02795980017271996989138.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
01574050017367931151398.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
04828540017370699397985.jpg
Siderite, etc.

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
06216130017370699398510.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
08222970017370699392889.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
09274360017370699392249.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00575340017271986878178.jpg
Siderite, etc.

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
00942250017271996975118.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
02795980017271996989138.jpg
Siderite

Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorapatite4
- var Carbonate-rich Fluorapatite4
Tetrahedrite Subgroup3
Cuprite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Gunnislake Clitters Mine, Clitters United Mines, Gunnislake, Calstock, Cornwall, England, UK
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:10028
Long-form Identifier:1:3:10028:5
GUID (UUID V4):0
Nearest other occurrences of Siderite
1.2km (0.8 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
1.3km (0.8 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
1.5km (0.9 miles) ⓘWheal Josiah, Devon Great Consols, Gulworthy, West Devon, Devon, England, UK
1.6km (1.0 miles) ⓘBedford United Mine, Gulworthy, West Devon, Devon, England, UK
1.6km (1.0 miles) ⓘWheal Anna Maria, Devon Great Consols, Gulworthy, West Devon, Devon, England, UK
1.9km (1.2 miles) ⓘRussell United Mine (incl. Wheal Russell), Gulworthy, West Devon, Devon, England, UK
2.1km (1.3 miles) ⓘWheal Arthur (Wheal Phoenix; Slime Veor Mine), Drakewalls, Calstock, Cornwall, England, UK
2.4km (1.5 miles) ⓘCalstock Consols (Wheal Calstock; Calstock & Danescombe Consols; Danescombe Valley Mine; Tamar Consolidated Mine), Calstock, Cornwall, England, UK
2.7km (1.7 miles) ⓘWheal Benny, Latchley, Calstock, Cornwall, England, UK
References
Clark, A. M., Fejer, E. E., Couper, A. G., von Knorring, O., Turner, R. W., Barstow, R. W. (1983) Iron-rich roscherite from Gunnislake, Cornwall. Mineralogical Magazine, 47 (342) 81-83 doi:10.1180/minmag.1983.047.342.16
 
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