Optical Properties
Luster
Vitreous
Waxy, Pearly
Pleochroism
Absent
Weak
Dispersion
None
Not Available
Transparency
Transparent, Translucent
Not Available
Refractive Index
1.48-1.54
1.600-1.630
Optic Character
Not Available
Not Available
Crystal System
Amorphous
Orthorhombic
Birefringence
Not Available
Not Available
Clarity
Transparent
Not Available
