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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Psilomelane from
Pednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK


Locality type:Mine
Classification
Species:'Psilomelane' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Psilomelane data
Locality Data:Click here to view Pednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:8922
Long-form Identifier:1:3:8922:7
GUID (UUID V4):0
Nearest other occurrences of Psilomelane
0.9km (0.5 miles) ⓘBuckett's Mine, Redruth, Cornwall, England, UK
1.9km (1.2 miles) ⓘWheal Tolgus, Tolgus Mount, Redruth, Cornwall, England, UK
28.4km (17.7 miles) ⓘRuthers Mine (Ruthvoes Mine; Indian Queens Iron Mine), Indian Queens, St Enoder, Cornwall, England, UK
31.6km (19.6 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
43.9km (27.3 miles) ⓘRestormel Royal Iron Mine (Trinity Mine), Lostwithiel, Cornwall, England, UK
50.2km (31.2 miles) ⓘTrewethen Mine, St Kew, Cornwall, England, UK
67.5km (41.9 miles) ⓘTremollett mine (Coads Green), North Hill, Cornwall, England, UK
68.8km (42.7 miles) ⓘLidcott Mine, Laneast, Cornwall, England, UK
82.7km (51.4 miles) ⓘChillaton and Hogstor Mine, Milton Abbot, West Devon, Devon, England, UK
83.4km (51.8 miles) ⓘQuither Mine, Milton Abbot, West Devon, Devon, 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.
 
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