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Spodumene
Spodumene

Ruby
Ruby



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Spodumene
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Ruby

Spodumene and Ruby Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

Strong in kunzite: α-purple
Strong: purplish-red

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.657-1.6811.762-1.778
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.014-0.0180.008
0 0.296
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Clarity

-
Transparent

Spodumene and Ruby Optic Character

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

Spodumene and Ruby Transparency

Similar to their colors, Spodumene and Ruby 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, Spodumene is Transparent while Spodumene is Transparent in appearance.