Rhomboclase [ (H5O2)FeIII(SO4)2·2H2O ]
Material properties
| Formula | (H5O2)FeIII(SO4)2·2H2O |
| Abbreviation | Rbc |
| Classifications | Minerals containing SO4, Minerals containing H2O |
| IMA Status | Grandfathered (pre-IMA), 1891 |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Orthorhombic, Point group mmm, Space group Pnma (#62) |
| Tags | Hydrated , Mineral, Sulphate |
Composition
| Element | Atoms |
|---|---|
| O | 12 |
| Fe | 1 |
| S | 2 |
| H | 9 |
| Total: | 24 |
Specimens of Rhomboclase
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| M0340 Pyrite / Szomolnokite | CSIRO | Pyrite, Quartz, Rhomboclase (5.3%), Szomolnokite | 5.3 | |
| M0341 Pyrite / Szomolnokite | CSIRO | Pyrite, Rhomboclase (3.2%), Szomolnokite | 3.2 | |
| M1872 Pyrite | CSIRO | Pyrite, Rhomboclase (1.6%), Szomolnokite | 1.6 |