Optical Properties
Luster
Not Available
Resinous
Pleochroism
Weak: golden-yellow
None
Dispersion
0.01
26
Not Available
Transparency
Transparent, Translucent
Not Available
Refractive Index
1.566-1.579
1.653-1.688
Optic Character
Not Available
Not Available
Crystal System
Not Available
Trigonal
Birefringence
0.005-0.009
Not Available
Clarity
Transparent
Not Available
