Species / Oxides and hydroxides / #0053
Ahlfeldite
Oxides and hydroxides monoclinic #0053
Ahlfeldite is a mineral species described as selenite mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | NiSeO₃·2H₂O |
| Strunz code | 4.JH.10 |
| Class | Oxides and hydroxides |
| Crystal system | monoclinic |
| Type locality | — |
| Named after | Friedrich Ahlfeld |
| Streak | bright green |
Composition
Se
38.17%
O
32.48%
Ni
28.37%
H
0.97%
Molar mass 206.876 g/mol
Physical
Mohs
Density
g/cm³