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Grossular Garnet
Grossular Garnet

Iolite
Iolite



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Grossular Garnet
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Iolite

Grossular Garnet and Iolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.738-1.7451.52-1.56
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Grossular Garnet and Iolite Optic Character

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

Similar to their colors, Grossular Garnet and Iolite 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.