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Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O, Römerite : Fe2+Fe3+2(SO4)4·14H2O | |
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Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile Width of field 1.7 mm. Collection of Jesse Crawford. Compositing software: CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope. Voltaite crystals on light brown romerite. |
| © 2008 Jesse Crawford | Photo ID: 191013 View Count: 129 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile dimension area mm. 2 x 2 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 218638 View Count: 34 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile dimension area mm. 2 x 2 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 250642 View Count: 13 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile dimension area mm. 2 x 2 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 255256 View Count: 10 |
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Zastávka, Brno (Brünn), South Moravia Region, Moravia (Mähren; Maehren), Czech Republic Black voltaite with yellow copiapite. Overall specimen size 5 x 3,1 x 2,8 cm. There are presented also unidentified reddish crystals on the specimen. |
| © Marek Patúš | Photo ID: 203203 View Count: 65 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 2 mm. Collection and foto Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 102992 View Count: 232 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O, Alunogen : Al2(SO4)3·17H2O | |
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Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany Small greenish-black crystals of Voltaite with white Alunogen. Picture size 3 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 12065 View Count: 767 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Carola Mine, Freital, Dresden, Saxony, Germany Picture width 2 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 183700 View Count: 212 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Carola Mine, Freital, Dresden, Saxony, Germany Dark greenish-black crystals of Voltaite on Alunogen. Picture size 4 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11978 View Count: 544 |
Voltaite : K2Fe2+5Fe3+3Al[SO4]12 · 18H2O | |
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Faraglione Nico (Faraglione Nicu), Porto Levante, Vulcano Island, Eolie Islands (Aeolian Islands), Lipari, Messina Province, Sicily, Italy dimension area mm. 2 x 2 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 268940 View Count: 2 |
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