Locality type: | Mine |
Classification |
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Species: | Opal |
Formula: | SiO2 · nH2O |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | Visually Identified |
Associated Minerals Based on Photo Data: |
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Caledonite | ⓘ1 photo of Opal associated with Caledonite at this locality. |
Susannite | ⓘ1 photo of Opal associated with Susannite at this locality. |
Data |
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Mineral Data: | Click here to view Opal data |
Locality Data: | Click here to view Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
Data Identifiers |
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Mindat Occurrence Record ID: | 1561047 |
Long-form Identifier: | 1:3:1561047:6 |
GUID (UUID V4): | a84db28e-3266-4055-a45d-70c9a690c13d |
Nearest other occurrences of Opal |
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16.9km (10.5 miles) | ⓘFrongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
References |
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Esgair Hir & Esgair Fraith mines, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK