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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Beryl from
Wheal Castle, Boswedden Mine (incl. Wheal Praze; Wheal Williams; Yankee Boy Mine), Kenidjack Valley, St Just, Cornwall, England, UK


Locality type:Mine
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Wheal Castle, Boswedden Mine (incl. Wheal Praze; Wheal Williams; Yankee Boy Mine), Kenidjack Valley, St Just, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2481
Long-form Identifier:1:3:2481:5
GUID (UUID V4):0
Nearest other occurrences of Beryl
4.2km (2.6 miles) ⓘPendeen New Cliff (Pendeen Watch), Pendeen, St Just, Cornwall, England, UK
15.8km (9.8 miles) ⓘMarazion Beach, Marazion, Cornwall, England, UK
32.0km (19.9 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
69.3km (43.1 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
69.9km (43.5 miles) ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
97.7km (60.7 miles) ⓘGold-diggings Quarry (Swit Quarry), Craddock Moor, 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.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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