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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Mica Group from
Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK


Locality type:Pit
Classification
Species:'Mica Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Turquoise1
Data
Mineral Data:Click here to view Mica Group data
Locality Data:Click here to view Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:17013
Long-form Identifier:1:3:17013:2
GUID (UUID V4):0
Nearest other occurrences of Mica Group
4.1km (2.5 miles) ⓘSt Dennis Crown Mine, St Dennis, St Austell, Cornwall, England, UK
28.6km (17.7 miles) ⓘCraddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK
30.1km (18.7 miles) ⓘWheal Maid Decline, Gwennap, Cornwall, England, UK
30.1km (18.7 miles) ⓘWheal Maid, Gwennap, Cornwall, England, UK
30.2km (18.8 miles) ⓘWheal Unity Wood (Tolgullow United Mine; West Poldice Mine), Chacewater, Cornwall, England, UK
31.1km (19.3 miles) ⓘPendennis Head, Falmouth, Cornwall, England, UK
31.3km (19.5 miles) ⓘDarley Ford Quarry, Darley, Linkinhorne, Cornwall, England, UK
45.4km (28.2 miles) ⓘEast Gunnislake Mine (in part: South Bedford and East Gunnislake Mine), Gunnislake, Calstock, Cornwall, England, UK
56.3km (35.0 miles) ⓘCastle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK
69.3km (43.1 miles) ⓘWheal Castle, Boswedden Mine (incl. Wheal Praze; Wheal Williams; Yankee Boy Mine), Kenidjack Valley, St Just, Cornwall, England, UK
References
 
and/or  
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