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Castell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgairlle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion (Dyfed; Cardiganshire), Wales, UK
2mm "knee-joint" crystal. Steve Rust photo & collection
Mindat.org Photo of the Day - 22nd Nov 2007 |
| © Steve Rust | Photo ID: 2903 View Count: 632 |
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Castell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgairlle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion (Dyfed; Cardiganshire), Wales, UK
1.25mm crystal of kneejoint pyrite, ferroan dolomite. |
| © Steve Rust | Photo ID: 15451 View Count: 300 |
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Castell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgairlle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion (Dyfed; Cardiganshire), Wales, UK
0.7mm pyrite crystal showing minor octahedral, and dodecahedral modifications. On ferroan dolomite and quartz. |
| © Steve Rust | Photo ID: 15505 View Count: 250 |