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Amethyst
Amethyst

Grossular Garnet
Grossular Garnet



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Amethyst
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Grossular Garnet

Amethyst and Grossular Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Transparent
1.5 Refractive Index
1.544-1.5531.738-1.745
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Amethyst and Grossular Garnet Optic Character

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

Amethyst and Grossular Garnet Transparency

Similar to their colors, Amethyst and Grossular 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.