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Boyacá Department, Colombia Size: 15 x 12 cm |
| © Daniel S. Yunis | Photo ID: 70450 View Count: 283 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Loire River alluvials, Gien, Loiret, Centre, France 0,3 mm crystal - Photo and collection François Périnet |
| © François Périnet | Photo ID: 91040 View Count: 156 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Hüttenberg Mt., Glees, Niederzissen, Eifel Mts, Rhineland-Palatinate, Germany Ferrohornblende in mica schist, associated minerals are Quartz and Feldspar, field of view 15 mm, collection C. &H. Schäfer |
| © C.H.M. Schäfer | Photo ID: 234559 View Count: 28 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Somma-Vesuvius Complex, Naples Province, Campania, Italy Specimen found in May 1985 between M. somma and Vesuvius - Crystal size 2 cm |
| © Marco Barsanti | Photo ID: 9276 View Count: 557 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy Black ferrohornblende in sanidine matrix - Specimen size around 5x4 cm - crystal size around 3 cm - s.c. May 1985 |
| © Marco Barsanti | Photo ID: 9278 View Count: 563 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22], Sanidine : K[AlSi3O8] | |
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Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy 4 mm Ferrohornblende crystal, over a sanidine crystal, from Mt. Somma - Vesuvius Area |
| © Marco Barsanti | Photo ID: 12653 View Count: 496 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy Specimen size 6x5 cm |
| © Marco Barsanti | Photo ID: 9280 View Count: 485 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22], Almandine : Fe2+3Al2[SiO4]3, Sanidine : K[AlSi3O8] | |
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Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy Black elengated Ferrohornblende crystals with dark red Almandine and white Sanidine. Nice example, 6x5x2 cm. From an old collection, in my personal Vesuvio suite. Photo Simone Citon. |
| © Simone Citon | Photo ID: 182713 View Count: 83 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy Picture width 3 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 234343 View Count: 46 |
Ferrohornblende : ☐[Ca2][Fe2+4Al][(OH)2|AlSi7O22] | |
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San Vito quarry, San Vito, Ercolano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy Crystals up to 4mm - August of 2008 |
| © Martins da Pedra | Photo ID: 180204 View Count: 104 |
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