Mineral | Tugtupite |
---|---|
Formula | Na4(AlBeSi4O12)Cl |
Crystal Form | Tetragonal/Disphenoidal [4] |
Cleavage | Distinct on {101}; Fair on {110} |
Color | Red, white to pink, bluish white, greenish white |
Density | 2.3 – 2.3 g/cm3 |
Diaphaneity | Translucent |
Fracture | Step-like |
Hardness | 4.0 |
Lustre | Sub-vitreous, Waxy, Greasy, Dull |
Streak | White |
Type Loc. | Albitite vein, Tugtup Agtakôrfia, Tunulliarfik Fjord, Ilimaussaq complex, Narsaq, Kitaa Prov., Greenland |
Dana 8 Class | 76.2.3.7 |
Strunz Class | 8/J.11-50 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 334 |