Since 2013 – From Collectors for Collectors
| Chemische Formel | Fe3+(SO4)(OH)·2H2O | |
| Familie | ||
| Farbe | orange, braun | |
| Härte | 2,5 | |
| Kristallsystem | orthorhombisch | |
| Glanz | Fettglanz;Glasglanz | |
| Form | prismatisch | |
| Typlokalität | Chile | |
| Weitere Fundorte | Argentinien, Iran | |
| Bildung | Oxidation von Pyrit oder Sulfaten | |
| Paragenesen | Butlerit | |
| Pseudomorphose | ||
| Toxizität |  ungiftig | |
| Strichfarbe | hellgelb | |
| Mineralklasse | Sulfate | |
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| Chemische Formel | MgFe3+(SO4)2(OH) · 7H2O | |
| Familie | ||
| Farbe | orange, rot | |
| Härte | 2-2,5 | |
| Kristallsystem | monoklin | |
| Glanz | Glasglanz | |
| Form | prismatisch | |
| Typlokalität | Schweden | |
| Weitere Fundorte | Argentinien, Chile, Italien, Spanien, Ohio | |
| Bildung | Oxidation von Pyrit bei trockenen Klimabedingungen | |
| Paragenesen | Halotrichit, Parabutlerit, Butlerit | |
| Pseudomorphose | ||
| Toxizität | ungiftig | |
| Strichfarbe | gelb | |
| Mineralklasse | Sulfate | |
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| Chemische Formel | Fe3+(SO4)(OH)·2H2O | |
| Familie | ||
| Farbe | gelb, orange | |
| Härte | 2,5 | |
| Kristallsystem | monoklin | |
| Glanz | Fettglanz;Glasglanz | |
| Form | tafelig, dipyramidal | |
| Typlokalität | Arizona | |
| Weitere Fundorte | Iran | |
| Bildung | Magmatische Exhalation, Oxidation von Pyrit, Minenfeuer | |
| Paragenesen | Parabutlerit | |
| Pseudomorphose | ||
| Toxizität | ungiftig | |
| Strichfarbe | hellgelb | |
| Mineralklasse | Sulfate | |
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