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Grossular Garnet
Grossular Garnet

Sapphire
Sapphire



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Grossular Garnet
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Sapphire

Grossular Garnet and Sapphire Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
Not Available
Strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.738-1.7451.762-1.788
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available0.008-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Grossular Garnet and Sapphire Optic Character

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

Similar to their colors, Grossular Garnet and Sapphire 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.