| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Wales > Goethite with Marcasite |
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| DESCRIPTION: | No. 58376 |
| Mineral: | Goethite with Marcasite |
| Locality: | Gwynfynydd Mine, Dolgellau Gold Belt, Gwynedd, Wales |
| Description: | Lustrous brown-black bladed goethite crystals to 4 mm in radiating aggregates with velvet-like top surfaces. Intermixed among the goethite crystals are greenish-yellow metallic bladed marcasite crystals to 5 mm. Ex. W. Keller #347; ex. P. Freeman (UK) |
| Overall Size: | 4x2.5x1.2 cm |
| Crystals: | 3-5 mm |
| Archived: | For reference only |
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