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Sugilite
Sugilite

dendritic agate
dendritic agate



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Sugilite
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dendritic agate

Sugilite and dendritic agate Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Weak
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Translucent
TranslucentWalter Schumann

Refractive Index

1.607-1.612-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.003-9999
0 0.296
👆🏻

Clarity

Translucent
TranslucentWalter Schumann

Sugilite and dendritic agate Optic Character

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

Similar to their colors, Sugilite and dendritic agate 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.