Brucite | |
Chemical Formula |
Mg(OH)2 |
Species |
Oxides & Hydroxides |
Crystal System |
Trigonal |
Mohs Scale |
2-3 |
Specific Gravity |
2.39-2.40 |
Color |
white, pale green, blue, gray; honey-yellowto brownish red |
Streak |
white |
Luster |
Vitreous, Waxy, Pearly |
Refractive Index |
n = 1.560 - 1.590 n = 1.580 - 1.600 |
Diaphaneity |
Transparent, Translucent |
Cleavage |
PerfectOn |
Fracture |
Fibrous, Micaceous |
Crystal Habit:platy or foliated masses and rosettes – fibrous to massive | |
Geological Setting:Alteration mineral of periclase in marbles. |