Optical Properties
Luster
Vitreous, Pearly, Resinous
Vitreous
Pleochroism
Not Available
Not Available
Dispersion
Not Available
0.02
22
Transparency
Transparent, Translucent
TransparentGemdat.org, Management Team (2012)
Refractive Index
1.540-1.550
1.614-1.666
Optic Character
Not Available
Not Available
Crystal System
tetragonal
Not Available
Birefringence
0.004-0.008
0.014-0.040
Clarity
Transparent
TransparentGemdat.org
