Mineral | Ferrierite-Mg |
---|---|
Formula | (Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72] • 5(H2O) |
Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
Cleavage | [100] Perfect |
Color | White, colorless, pinkish, orange to red |
Density | 2.1 – 2.1 g/cm3 |
Diaphaneity | Transparent to Translucent |
Fracture | Uneven |
Hardness | 3.0 - 3.5 |
Lustre | Vitreous |
Streak | White |
Dana 8 Class | 77.01.06.06 |
Strunz Class | VIII/J.22-05 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 173 |