Mineral | Eudidymite |
---|---|
Formula | NaBe2Si3O7(OH) |
Crystal Form | Monoclinic/Prismatic [2/m] |
Cleavage | [001] Perfect, [551] Good |
Color | White or Colorless, Grayish blue, Blue, Violet, Yellow |
Density | 2.6 g/cm3 |
Diaphaneity | Transparent to translucent |
Fracture | Uneven to Conchoidal |
Hardness | 6.0 |
Lustre | Vitreous, Pearly on cleavage |
Streak | White |
Dana 8 Class | 66.3.1.3 |
Strunz Class | VIII/G.04-10 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 156 |