Various (chrysotile, amphiboles)Various
Asbestos
Various (chrysotile, amphiboles)
SilicatesChemical FormulaVarious (chrysotile, amphiboles)
Crystal SystemVarious
Mohs Hardness2.5-6
Specific Gravity2.6-3.2
ColorWhite, green, blue, brown
LusterSilky to vitreous
StreakWhite
CleavageVarious
FractureFlexible
Occurrence
Group of fibrous minerals. Heat resistant but carcinogenic. Chrysotile most common type.