| Mineral | Brucite |
|---|---|
| Formula | Mg(OH)2 |
| Crystal Form | Trigonal/Hexagonal Scalenohedral [3 2/m] |
| Cleavage | [0001] Perfect |
| Color | Blue, Gray, Gray blue, Yellow, White |
| Density | 2.4 – 2.4 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Irregular |
| Hardness | 2.5 - 3.0 |
| Lustre | Vitreous - Pearly |
| Streak | White |
| Type Loc. | Castle Point, Hoboken, Bergen Hill, Hudson Co., NJ, USA |
| Dana 8 Class | 6.2.1.1 |
| Strunz Class | IV/F.03-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 6 |