| Mineral | Apophyllite |
|---|---|
| Formula | KCa4(Si4O10)2F • 8(H2O) |
| Crystal Form | Tetragonal/Ditetragonal-Dipyramidal [4/m 2/m 2/m] |
| Cleavage | [001] Perfect |
| Color | White, Pink, Green, Yellow, Violet |
| Density | 2.3 – 2.4 g/cm3 |
| Diaphaneity | Transparent to translucent |
| Fracture | Uneven |
| Hardness | 4.0 - 5.0 |
| Lustre | Vitreous - Pearly |
| Streak | White |
| Dana 8 Class | 72.3.1.0 |
| Strunz Class | VIII/H.01-00 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 20 |