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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Ankerite from
Trebullet Mine, Lezant, Cornwall, England, UK


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Trebullet Mine, Lezant, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:753
Long-form Identifier:1:3:753:5
GUID (UUID V4):0
Nearest other occurrences of Ankerite
3.9km (2.4 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
6.3km (3.9 miles) ⓘTolpetherwin Mine, South Petherwin, Launceston, Cornwall, England, UK
22.2km (13.8 miles) ⓘHerodsfoot Mine (North Herodsfoot Mine), Lanreath, Cornwall, England, UK
25.6km (15.9 miles) ⓘMillook Beach, Poundstock, Cornwall, England, UK
27.2km (16.9 miles) ⓘOld Treburgett Mine, St Teath, Cornwall, England, UK
27.9km (17.3 miles) ⓘPengenna Mine, St Kew, Cornwall, England, UK
29.1km (18.1 miles) ⓘTregardock Mine (Tregarget Mine), Treligga, St Teath, Cornwall, England, UK
30.1km (18.7 miles) ⓘBarrett 's Zawn, St Teath, Cornwall, England, UK
30.6km (19.0 miles) ⓘBounds Cliff, St Endellion, Cornwall, England, UK
30.8km (19.2 miles) ⓘTreore Mine, St Endellion, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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