Species / Sulfates / #0136
Alum-(Na)
Sulfates cubic #0136
Alum-(Na) is a mineral species described as sulfate mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | NaAl(SO₄)₂·12H₂O |
| Strunz code | 7.CC.20 |
| Class | Sulfates |
| Crystal system | cubic |
| Type locality | — |
| Named after | alum |
| Streak | — |
No specimen image
Composition
O
55.84%
S
25.02%
Al
9.93%
Na
8.46%
H
0.74%
Molar mass 271.626 g/mol
Physical
Mohs
Density
g/cm³