Mineral | Elpidite |
---|---|
Formula | Na2ZrSi6O15 • 3H2O |
Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
Cleavage | Perfect on {110} |
Color | White, Colorless, Yellowish, Pale-to-bright orange, Brownish yellow, Beige, Green, Brick-red |
Density | 2.5 – 2.6 g/cm3 |
Diaphaneity | Opaque to Transparent |
Fracture | Splintery |
Hardness | 5.0 |
Lustre | Silky, Vitreous to Waxy or Dull |
Type Loc. | Narsaarsuk pegmatite, Narsaarsuk Plateau, Igaliku, Narsaq, Kujalleq, Greenland |
Dana 8 Class | 72.5.4.2 |
Strunz Class | 8/F.23-10 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 353 |