| Formula | (Mg; Fe 2+)3Si2O5(OH)4 |
| Origin | Wurlitz, Oberfranken (Germany) |
| Description | green massive Antigorite |
| Classification (Lapis) | Serpentines |
| Crystal System | monoclinic |
| Hardness | 2,5 – 3,5 |
| Colour | green, blue-green, white, colorless |
| Streak | white |
| Luminescence | sometimes blue in short wave UV |
| Luster | Resinous |
| Transparency (Opacity) | translucent to opaque |
| Cleavage | perfect |
| Fracture | conchoidal or splintery |
| Magnetism | negativ |
| Geological Setting | Commonly replaces ultrama¯c rocks, pervasively or in crosscutting veinlets. As a replacement of siliceous dolostone along contacts with diabase sills. |
| Specific Gravity | 2,61 g/cm3 |
