Mineral | Erionite-K |
---|---|
Formula | (K2,Ca,Na2)2[Al4Si14O36] • 15(H2O) |
Crystal Form | Hexagonal/Dihexagonal Dipyramidal [6/m 2/m 2/m] |
Cleavage | [010] Distinct |
Color | White, Green, Gray, Orange |
Density | 2.1 – 2.1 g/cm3 |
Diaphaneity | Transparent to Translucent |
Fracture | Splintery |
Hardness | 3.5 - 4.0 |
Lustre | Vitreous - Silky |
Streak | White |
Dana 8 Class | 77.1.2.5a |
Strunz Class | VIII/J.26-92 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 118 |