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Fuchsite
Fuchsite

Sugilite
Sugilite



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Fuchsite
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Sugilite

Fuchsite and Sugilite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Weak

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.552-1.6181.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

-99990.003
0 0.296
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Clarity

Transparent
Translucent

Fuchsite and Sugilite Optic Character

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

Fuchsite and Sugilite Transparency

Similar to their colors, Fuchsite and Sugilite 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, Fuchsite is Transparent while Fuchsite is Transparent in appearance.