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Idocrase
Idocrase

Spodumene
Spodumene



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Idocrase
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Spodumene

Idocrase and Spodumene Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong in kunzite: α-purple

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.67-1.761.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

-99990.014-0.018
0 0.296
👆🏻

Clarity

-
-

Idocrase and Spodumene Optic Character

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

Idocrase and Spodumene Transparency

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