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
Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK


07772700017482848782204.jpg
Lady's Slipper

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
08310050017272729084366.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
09292410017271969123550.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
04038350017271985298929.jpg
Siderite

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
07772700017482848782204.jpg
Lady's Slipper

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
08310050017272729084366.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
08529900017271985322706.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
04038350017271985298929.jpg
Siderite

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
01345830017632122249406.jpg
Lady's Slipper

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
05673800017272729114765.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
00471390017364400648052.jpg
Siderite, etc.

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
02560520017271985353746.jpg
Siderite

Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Comments:Famous pseudomorphosis after Fluorite in NHM,London year 1846 [see Bancroft, Peter (1973) The World's Finest Minerals and Crystals]. [https://www.mindat.org/photo-310345.html]
Quality for species:Good crystals or rich for species - important (!)
Significance:Classic locality for this mineral (see references.)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz18
Chalcopyrite5
Arsenopyrite2
Pyrite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Virtuous Lady Mine, Buckland Monachorum, West Devon, Devon, England, UK
Photo GalleryView Gallery (34 photos)
Data Identifiers
Mindat Occurrence Record ID:10050
Long-form Identifier:1:3:10050:4
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.9km (0.6 miles) ⓘLady Bertha Mine, Buckland Monachorum, West Devon, Devon, England, UK
1.1km (0.7 miles) ⓘTavy Consols, Gulworthy, West Devon, Devon, England, UK
1.6km (1.0 miles) ⓘSortridge and Bedford Mine (Westdown Mine; West Down Mine), Whitchurch, West Devon, Devon, England, UK
2.0km (1.2 miles) ⓘGeorge and Charlotte Mine, Devon and Cornwall United Mines, Gulworthy, West Devon, Devon, England, UK
2.3km (1.4 miles) ⓘGawton Mine, Gulworthy, West Devon, Devon, England, UK
2.4km (1.5 miles) ⓘHarewood Consols, Harewood, Calstock, Cornwall, England, UK
2.9km (1.8 miles) ⓘWheal Crebor, Gulworthy, West Devon, Devon, England, UK
2.9km (1.8 miles) ⓘTavistock Canal Tunnel, Gulworthy, West Devon, Devon, England, UK
3.5km (2.2 miles) ⓘWheal Franco Consols, Horrabridge, West Devon, Devon, England, UK
3.5km (2.2 miles) ⓘWheal Franco (New Wheal Franco; Old Wheal Franco), Wheal Franco Consols, Horrabridge, West Devon, Devon, England, UK
References
Paul De Bondt collectionIdentified by Paul De Bondt: Visual Identification
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
Bancroft, Peter (1973) The World's Finest Minerals and Crystals.Tav. LXX
Embrey, Peter G., Symes, Robert F. (1987) Minerals of Cornwall and Devon. British Museum (Natural History) and the Mineralogical Record, Inc., London and Tucson, AZ.pp.122-123
 
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