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Grossular Garnet
Grossular Garnet

Lepidolite
Lepidolite



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X
Grossular Garnet
X
Lepidolite

Grossular Garnet and Lepidolite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Vitreous, Pearly

Pleochroism

-
X = almost colorless; Y = Z = pink

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.738-1.7451.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Triclinic

Birefringence

-99990.0290-0.0380
0 0.296
👆🏻

Clarity

Transparent
Transparent

Grossular Garnet and Lepidolite Optic Character

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

Grossular Garnet and Lepidolite Transparency

Similar to their colors, Grossular Garnet and Lepidolite 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, Grossular Garnet is Transparent while Grossular Garnet is Transparent in appearance.