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Andradite
Andradite

Turquoise
Turquoise



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Andradite
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Turquoise

Andradite and Turquoise Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Waxy

Pleochroism

-
Weak

Dispersion

0.060.03
0.005 1
👆🏻

Transparency

Transparent
Translucent, Opaque

Refractive Index

1.88-1.941.610-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Triclinic

Birefringence

0.0570.040
0 0.296
👆🏻

Clarity

Transparent
Translucent

Andradite and Turquoise Optic Character

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

Andradite and Turquoise Transparency

Similar to their colors, Andradite and Turquoise 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, Andradite is Transparent while Andradite is Transparent in appearance.