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Sugilite
Sugilite

Chondrodite
Chondrodite



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Sugilite
X
Chondrodite

Sugilite and Chondrodite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

Weak
X golden yellow to orange

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.607-1.6121.589-1.670
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.0030.027-0.032
0 0.296
👆🏻

Clarity

Translucent
Transparent

Sugilite and Chondrodite Optic Character

Sugilite and Chondrodite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sugilite and Chondrodite Physical Properties 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 Chondrodite 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 Chondrodite Transparency

Similar to their colors, Sugilite and Chondrodite 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 Translucent while Sugilite is Translucent in appearance.