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Stilpnomelane from
Cregenen (Cregennen), Arthog, Gwynedd, Wales, UK


Classification
Species:Stilpnomelane
Formula:K4Fe482+[Si64Al8]O164(OH)52 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilpnomelane data
Locality Data:Click here to view Cregenen (Cregennen), Arthog, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:320765
Long-form Identifier:1:3:320765:9
GUID (UUID V4):0
Nearest other occurrences of Stilpnomelane
10.1km (6.3 miles) ⓘBrynycastell Mine, Dolgellau, Gwynedd, Wales, UK
19.3km (12.0 miles) ⓘFriar's Coat trial, Brithdir and Llanfachreth, Gwynedd, Wales, UK
44.6km (27.7 miles) ⓘYstrad Mine (Silurian Mine), Betws Garmon, Gwynedd, Wales, UK
58.6km (36.4 miles) ⓘTal y Fan, Caerhun, Conwy, Wales, UK
References
Bevins, Richard E., Robinson, Douglas (1993) Parageneses of Ordovician sub-greenschist to greenschist facies metabasites from Wales, U.K. European Journal of Mineralogy, 5 (5) 925-936 doi:10.1127/ejm/5/5/0925
 
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