Species / Sulfates / #0247
Aphthitalite
Sulfates trigonal #0247
Aphthitalite is a mineral species described as sulfate mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | K₃Na(SO₄)₂ |
| Strunz code | 7.AC.35 |
| Class | Sulfates |
| Crystal system | trigonal |
| Type locality | Mount Vesuvius |
| Named after | permanence |
| Streak | — |
Composition
O
38.51%
K
35.29%
S
19.29%
Na
6.92%
Molar mass 332.396 g/mol
Physical
Mohs
3
Density
2.751 g/cm³