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Ivory
Ivory

Friedelite
Friedelite



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Ivory
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Friedelite

Ivory and Friedelite Optical Properties

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Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

-0.04
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.535-1.5701.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

-99990.032-0.035
0 0.296
👆🏻

Clarity

Translucent
Translucent

Ivory and Friedelite Optic Character

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

Ivory and Friedelite Transparency

Similar to their colors, Ivory and Friedelite 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, Ivory is Translucent while Ivory is Translucent in appearance.