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Voltaite Alunogen Image |
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Voltaite Alunogen Image |
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| Mineral: | Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O) Alunogen: Al2(SO4)3·17(H2O) | |||||
| Comments: | Dark greenish-black crystals of voltaite on white alunogen. | |||||
| Location: | Carola Mine, Freital, Dresden, Saxony, Germany. | |||||
| Scale: | Picture size 4 mm. | |||||
| Copyright: | © Thomas Witzke / Abraxas-Verlag | |||||
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