| Description |
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| Type Locality: | Benallt Mine (Tyddyn Meirion mine; Ty Canol mine), Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd (Caernarvonshire), Wales, UK is the type locality for Pennantite |
| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | Campbell, et al (1946); Can. Min.:21(1983):545.; UK Journal of mines & Minerals, number 29 pp47-48; Am Min (1955) 40:32-40 |
| Data |
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| Mineral Data: | Click here to view Pennantite data |
| Locality Data: | Click here to view Benallt Mine (Tyddyn Meirion mine; Ty Canol mine), Rhiw, Llanfaelrhys, Lleyn Peninsula, Gwynedd (Caernarvonshire), Wales, UK |