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Orthoclase from
Megiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK


Locality type:Outcrop
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite7
- var Gilbertite4
Fluorapatite4
Quartz4
Schorl3
Apatite1
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Megiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:8316
Long-form Identifier:1:3:8316:4
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
1.1km (0.7 miles) ⓘTrewavas Head, Rinsey, Breage, Cornwall, England, UK
2.9km (1.8 miles) ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK
4.0km (2.5 miles) ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK
5.6km (3.5 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
7.7km (4.8 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
11.5km (7.1 miles) ⓘBrill No. 1 Quarry, Constantine, Cornwall, England, UK
12.8km (7.9 miles) ⓘPol Cornick, Mullion, Cornwall, England, UK
13.0km (8.1 miles) ⓘTrencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK
13.3km (8.2 miles) ⓘVellan Head, Mullion, Cornwall, England, UK
13.8km (8.6 miles) ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK
References
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
Econ Geol (1995) 90:495-519
 
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