| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Portugal > Arsenopyrite, Quartz, Siderite, Calcite |
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| DESCRIPTION: | No. 50123 |
| Mineral: | Arsenopyrite, Quartz, Siderite, Calcite |
| Locality: | Panasqueira Mine, Barroca Grande, 21 km. west of Fundao, Castelo Branco, Portugal |
| Description: | Lustrous metallic arsenopyrite crystals to 15 mm across intermixed with lustrous transparent quartz crystals to 34 mm and flattened translucent brown siderite crystals to 14 mm and small translucent colorless calcite crystals to 2 mm on the rear. Ex. Peter B. Nalle (1923-2010) collection #580; originally acquired in 1976, gift of mine manager |
| Overall Size: | 10x8x5 cm |
| Crystals: | 1-34 mm |
| Archived: | For reference only |
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