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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Fluorite from
Wheal Mary Ann, Menheniot, Cornwall, England, UK


09368240017271969387700.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
04920420017271985238413.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
02029810017360818151176.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
01956210017271985261669.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
02180520017362415641593.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
04920420017271985238413.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
02029810017360818151176.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
01956210017271985261669.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
09368240017271969387700.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
04920420017271985238413.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
02029810017360818151176.jpg
Fluorite

Wheal Mary Ann, Menheniot, Cornwall, England, UK
01956210017271985261669.jpg
Fluorite, etc.

Wheal Mary Ann, Menheniot, Cornwall, England, UK
Locality type:Mine
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz12
- var Chalcedony5
Galena3
Baryte3
Pyrite1
Cerussite1
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Wheal Mary Ann, Menheniot, Cornwall, England, UK
Photo GalleryView Gallery (41 photos)
Data Identifiers
Mindat Occurrence Record ID:5360
Long-form Identifier:1:3:5360:0
GUID (UUID V4):0
Nearest other occurrences of Fluorite
0.1km (0.1 miles) ⓘWheal Trelawny (incl. Wheal Honey), Menheniot, Cornwall, England, UK
1.2km (0.8 miles) ⓘWest Wheal Mary Ann (West Mary Ann Mine), Roseland, Menheniot, Cornwall, England, UK
2.3km (1.4 miles) ⓘWheal Treweatha, Menheniot, Cornwall, England, UK
2.4km (1.5 miles) ⓘNorth Trelawny Mine, Wrey and Ludcott United Mines, St Ive, Cornwall, England, UK
2.9km (1.8 miles) ⓘWheal Ludcott, Wrey and Ludcott United Mines, St Ive, Cornwall, England, UK
3.2km (2.0 miles) ⓘWheal Wrey, Wrey and Ludcott United Mines, St Ive, Cornwall, England, UK
3.8km (2.4 miles) ⓘPenhawger Mine, Menheniot, Cornwall, England, UK
6.7km (4.2 miles) ⓘSouth Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK
7.0km (4.3 miles) ⓘNew West Caradon Mine, West Caradon Mine, Crow's Nest, St Cleer, Cornwall, England, UK
7.1km (4.4 miles) ⓘCaradon Consols, Crow's Nest, St Cleer, Cornwall, England, UK
References
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.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Lead Mines of Menheniot, Lanreath and Saint Pinnock. Transactions of the Royal Geological Society of Cornwall, 8. p.699-722.
 
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