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Garnet
Garnet

Shattuckite
Shattuckite



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X
Garnet
X
Shattuckite

Garnet and Shattuckite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Silky

Pleochroism

None
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Translucent

Refractive Index

1.730-1.8951.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

-99990.063
0 0.296
👆🏻

Clarity

Transparent
Translucent

Garnet and Shattuckite Optic Character

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

Garnet and Shattuckite Transparency

Similar to their colors, Garnet and Shattuckite 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, Garnet is Transparent and Transparent to translucent while Garnet is Transparent and Transparent to translucent in appearance.