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Emerald
Emerald

Andradite Garnet
Andradite Garnet



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Andradite Garnet

Emerald and Andradite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Not Available
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Opaque, Transparent to opaque
1.5 Refractive Index
1.565-1.602
1.888-1.889
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Isometric
1.8 Birefringence
0.0040-0.0070
Not Available
1.9 Clarity
Color grading system
Transparent to opaque

Emerald and Andradite Garnet Optic Character

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

Emerald and Andradite Garnet Transparency

Similar to their colors, Emerald and Andradite 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, Emerald is Translucent, Transparent and Transparent to translucent while Emerald is Translucent, Transparent and Transparent to translucent in appearance.