| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Portugal > Arsenopyrite and Siderite |
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| DESCRIPTION: | No. 50342 |
| Mineral: | Arsenopyrite and Siderite |
| Locality: | Panasqueira Mine, Barroca Grande, 21 km. west of Fundao, Castelo Branco, Portugal |
| Description: | Sharp greenish-metallic arsenopyrite crystals to 10 mm with partial overgrowth of tan-colored rhombohedral siderite crystals to 3 mm. The arsenopyrite crystals are in aggregates of parallel crystals giving the edges a striated appearance. Ex. Albert J. Beres collection #385; ex. Lawrence H. Conklin (1933-2016) |
| Overall Size: | 5x4.5x2.5 cm |
| Crystals: | 1-10 mm |
| Archived: | For reference only |
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