Magnesio-Gedrite
| Formula | (Mg,Fe2+)5Al2Si6Al2O22(OH)2 |
| Origin | Skisshyttan (Sweden) |
| Description | partly radial, dark green Gedrit crystals in matrix |
| Classification (Lapis) | Amphiboles |
| Crystal System | orthorhomobic |
| Hardness | 5,0 – 6,0 |
| Colour | greywhite |
| Streak | white |
| Luminescence | none observed |
| Lustre | vitreous |
| Transparency (Opacity) | transparent to translucent |
| Cleavage | good |
| Fracture | brittle |
| Magnetism | negativ |
| Geological Setting | contact or regional metamorphosis formation |
| Specific Gravity | 2,95 g/cm3 |
