Clinozoisite
Chemical Formula	{Ca2}{Al3}[O|OH|SiO4|Si2O7]
Species	Silicates
Crystal System	Monoclinic
Mohs Scale	7
Specific Gravity	3.3-3.4
Color	colorless, green, gray, light green, yellow green
Streak	grayish white
Luster	Vitreous
Refractive Index	n = 1.706 - 1.724 n = 1.708 - 1.729 n = 1.712 - 1.735
Diaphaneity	Transparent, Translucent
Cleavage	Perfecton
Fracture	Irregular/Uneven