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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Andalusite from
Wheal Coates, St Agnes, Cornwall, England, UK


01755270017362488685649.jpg
Andalusite

Wheal Coates, St Agnes, Cornwall, England, UK
01755270017362488685649.jpg
Andalusite

Wheal Coates, St Agnes, Cornwall, England, UK
05191910017362488699086.jpg
Andalusite

Wheal Coates, St Agnes, Cornwall, England, UK
Locality type:Mine
Classification
Species:Andalusite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andalusite data
Locality Data:Click here to view Wheal Coates, St Agnes, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:616
Long-form Identifier:1:3:616:5
GUID (UUID V4):0
Nearest other occurrences of Andalusite
5.1km (3.2 miles) ⓘCligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK
5.3km (3.3 miles) ⓘCligga Mine, Cligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK
10.1km (6.3 miles) ⓘNew Roskear Shaft, Dolcoath Mine, Camborne, Cornwall, England, UK
20.8km (12.9 miles) ⓘWheal Nut (Bosworgy Mine; Busworgie Mine; Lewis Mine), St Erth, Cornwall, England, UK
22.9km (14.2 miles) ⓘTrencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK
29.6km (18.4 miles) ⓘColdvreath Mine (Killivreath Mine), Coldvreath, Roche, Cornwall, England, UK
49.6km (30.8 miles) ⓘBackways Cove, Trebarwith, Tintagel, Cornwall, England, UK
56.6km (35.1 miles) ⓘGreat Roughtor Consols, St Clether, Cornwall, England, UK
59.9km (37.2 miles) ⓘCheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.476-477
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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