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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Limonite from
Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Limonite' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Limonite data
Locality Data:Click here to view Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:690638
Long-form Identifier:1:3:690638:2
GUID (UUID V4):0
Nearest other occurrences of Limonite
2.4km (1.5 miles) ⓘTower Consols (Magnetic Iron Mine; incl. Wheal Click), Trezaise (Tresayes), Roche, Cornwall, England, UK
2.5km (1.5 miles) ⓘColdvreath Mine (Killivreath Mine), Coldvreath, Roche, Cornwall, England, UK
3.3km (2.0 miles) ⓘPits Mingle Iron Mine (Dyehouse Mine; Trerank Mine), Trezaise (Tresayes), Roche, Cornwall, England, UK
5.2km (3.2 miles) ⓘColbiggan Mine, Roche, Cornwall, England, UK
5.6km (3.5 miles) ⓘTreffry Consols (Wheal Treffry), Prideaux, Luxulyan (Luxullian), Cornwall, England, UK
5.9km (3.7 miles) ⓘWheal Prosper, Lanivet, Cornwall, England, UK
5.9km (3.7 miles) ⓘWheal Retire, Withiel, Cornwall, England, UK
6.2km (3.9 miles) ⓘWheal James, Withiel, Cornwall, England, UK
6.3km (3.9 miles) ⓘBucklers Mine, Charlestown United and Cuddra Consolidated Mines, St Austell, Cornwall, England, UK
7.3km (4.6 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
 
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