×

Sugilite
Sugilite

Moonstone
Moonstone



ADD
Compare
X
Sugilite
X
Moonstone

Sugilite and Moonstone Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak
0.02
Translucent
1.607-1.612
-
Hexagonal
0.003
Translucent
 
Pearly
-
0.01
Transparent, Transparent to translucent
1.518-1.527
-
monoclinic
0.006-0.007
Transparent

Sugilite and Moonstone Optic Character

Sugilite and Moonstone optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sugilite Vs Moonstone like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Sugilite and Moonstone optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Sugilite and Moonstone Transparency

Similar to their colors, Sugilite and Moonstone transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Sugilite is while Sugilite is in appearance.