Voltaite
K2Fe2+5Fe3+3Al(SO4)12 • 18H2O [CNMNC approved formula]
Named after the Italian physicist, Alessandro G. A. A. Volta (1745-1841).
| IMA status : | Valid species (Pre-IMA 1841) Grandfathered |
| CLASSIFICATION | |
| Dana (8th edition) : |
29.09.01.01 |
| (29) Hydrated Acid and Sulfates | |
| (29.09) with miscellaneous formulae | |
| (29.09.01) Voltaite Group | |
| Nickel-Strunz (10th edition) : |
07.CC.25 |
| (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates) | |
| (07.C) Sulfates (selenates, etc.) without Additional Anions, with H2O | |
| (07.CC) With medium-sized and large cations | |
| Crystal system: | Cubic System |
| Point group (H-M): | m3m (or 4/m 3 2/m) — hexoctahedral |
| Other Properties: | H2O Soluble. |