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It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Feldspar Group from
Trevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK


09160080017370204911829.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
05812400017366112459783.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
03034620017369085108174.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
05812400017366112459783.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
03034620017369085108174.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
06670270017370204929451.jpg
Feldspar Group

Trevarthian Downs Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Trevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:1377643
Long-form Identifier:1:3:1377643:1
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
1.0km (0.7 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
3.2km (2.0 miles) ⓘWheal Darlington (Bog Mine; incl. East Wheal Darlington), Marazion Marsh, Ludgvan, Cornwall, England, UK
5.2km (3.2 miles) ⓘLelant Consols, Trencrom, Ludgvan, Cornwall, England, UK
5.4km (3.4 miles) ⓘWheal Mary, Wheal Sisters, Trencrom, Ludgvan, Cornwall, England, UK
5.8km (3.6 miles) ⓘWheal Speed, Providence Mines, Carbis Bay, St Ives, Cornwall, England, UK
6.0km (3.7 miles) ⓘTregonning Hill, Breage, Cornwall, England, UK
6.0km (3.7 miles) ⓘWheal Reeth, Trencrom, Ludgvan, Cornwall, England, UK
6.4km (4.0 miles) ⓘWheal Herland (Old Herland Mine; Manor Mine; North Wheal Herland), Rosewarne and Herland United Mines (Rosewarne and Herland Mine; incl. Wheal Fancy; Wheal Pleasure), Gwinear, Gwinear-Gwithian, Cornwall, England, UK
6.6km (4.1 miles) ⓘBalnoon Mine (Vorvas Downs Mine; Warvas Downs Mine), Trewartha, St Ives, Cornwall, England, UK
8.3km (5.1 miles) ⓘSt Ives Consols (incl. Wellesley Mine; Wheal Mary), St Ives, Cornwall, England, UK
References
Foster, Dale (n.d.) Personal communication.
 
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