Mg3Si2O5(OH)4Monoclinic
Serpentine
Mg3Si2O5(OH)4
SilicatesChemical FormulaMg3Si2O5(OH)4
Crystal SystemMonoclinic
Mohs Hardness3.5
Specific Gravity2.6
ColorGreen, yellow, brown, black
LusterWaxy to greasy
StreakWhite
CleavageOne direction
FractureFlexible
Occurrence
Found in metamorphic rocks. Formed by alteration of olivine and pyroxene.