| Mineral | McGuinnessite |
|---|---|
| Formula | (Mg,Cu)2(CO3)(OH)2 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Color | Blue green, Green, White |
| Density | 3.0 – 3.2 g/cm3 |
| Diaphaneity | Transparent to translucent |
| Fracture | Brittle |
| Hardness | 2.5 |
| Lustre | Vitreous - Silky |
| Dana 8 Class | 16a.3.1.4 |
| Strunz Class | V/C.01-40 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 56 |