Mineral | Thomsonite-Ca |
---|---|
Formula | NaCa2Al5Si5O20 • 6(H2O) |
Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
Cleavage | [101] Perfect, [100] Good |
Color | Colorless, Greenish, Yellow, White, Pink |
Density | 2.3 – 2.4 g/cm3 |
Diaphaneity | Transparent to translucent |
Fracture | Conchoidal |
Hardness | 5.0 - 5.5 |
Lustre | Vitreous |
Streak | White |
Dana 8 Class | 77.1.5.9 |
Strunz Class | VIII/J.21-70 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 47 |