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Agate
Agate

Andradite Garnet
Andradite Garnet



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Agate
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Andradite Garnet

Agate and Andradite Garnet Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

Absent
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
Transparent, Opaque, Transparent to opaque

Refractive Index

1.530-1.5431.888-1.889
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.004-9999
0 0.296
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Clarity

Translucent
Transparent to opaque

Agate and Andradite Garnet Optic Character

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

Agate and Andradite Garnet Transparency

Similar to their colors, Agate and Andradite Garnet 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, Agate is Translucent while Agate is Translucent in appearance.