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Muscovite from
Llechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Anatase1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Llechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:760111
Long-form Identifier:1:3:760111:8
GUID (UUID V4):0
Nearest other occurrences of Muscovite
9.7km (6.0 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
25.7km (16.0 miles) ⓘTal y Fan, Caerhun, Conwy, Wales, UK
50.3km (31.3 miles) ⓘParys Mountain Mines, Amlwch, Isle of Anglesey, Wales, UK
56.1km (34.8 miles) ⓘDyfngwm mine, Penegoes, Powys, Wales, UK
59.4km (36.9 miles) ⓘBryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK
66.3km (41.2 miles) ⓘCastell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK
References
Timothy Greenland specimen received from the quarry foreman, 02-03-1963.
 
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