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Alunogen : Al2(SO4)3·17H2O | |
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Carola Mine, Freital, Dresden, Saxony, Germany White crystals of alunogen. Picture size 5.5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11483 View Count: 766 |
Godovikovite : NH4(Al,Fe)(SO4)2 | |
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Carola Mine, Freital, Dresden, Saxony, Germany A porous aggregate of godovikovite. Specimen size 4.2 cm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11516 View Count: 678 |
Godovikovite : NH4(Al,Fe)(SO4)2 | |
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Carola Mine, Freital, Dresden, Saxony, Germany size 5x6,5cm Paul Bongaerts specimen and photograph |
| © Paul Bongaerts | Photo ID: 22895 View Count: 457 |
Halotrichite : FeAl2(SO4)4·22H2O | |
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Carola Mine, Freital, Dresden, Saxony, Germany White crystals of halotrichite. Picture size 5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11481 View Count: 455 |
Hoelite : C14H8O2, Sulphur : S8 | |
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Carola Mine, Freital, Dresden, Saxony, Germany Yellow acicular crystals of hoelite with yellow crystals of sulfur. Picture size 10 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8095 View Count: 1015 |
Hoelite : C14H8O2, Sulphur : S8 | |
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Carola Mine, Freital, Dresden, Saxony, Germany Very small acicular Hoelite crystals with yellowish Sulphur in matrix. 8x6 mm the field in photo. In my personal systematic suite. Photo Simone Citon. |
| © Simone Citon | Photo ID: 233720 View Count: 53 |
Kremersite : (NH4,K)2[Fe3+Cl5(H2O)] | |
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Carola Mine, Freital, Dresden, Saxony, Germany Small orange crystals of kremersite. Picture size 1.2 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11520 View Count: 471 |
Letovicite : (NH4)3H(SO4)2 | |
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Carola Mine, Freital, Dresden, Saxony, Germany Massive aggregate of Letovicite. Picture size 6 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 16523 View Count: 581 |
Mascagnite : (NH4)2SO4 | |
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Carola Mine, Freital, Dresden, Saxony, Germany White mascagnite. Picture size 6 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 11553 View Count: 611 |
Metavoltine : Na6K2FeFe6(SO4)12O2·18H2O | |
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Carola Mine, Freital, Dresden, Saxony, Germany Yellow metavoltine with alunogen. Picture size 5 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 10730 View Count: 411 |
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