Al(OH)3Monoclinic

Bauxite mineral

Al(OH)3

Oxides
Chemical FormulaAl(OH)3
Crystal SystemMonoclinic
Mohs Hardness3
Specific Gravity2.44
ColorWhite, gray, greenish
LusterVitreous to pearly
StreakWhite
CleavageOne direction
FractureEarthy

Occurrence

Found in bauxite deposits. Important aluminum ore. Product of tropical weathering.

Hardness on Mohs Scale

3 / 10
Talc (1)Quartz (7)Diamond (10)