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Jet
Jet

Andradite Garnet
Andradite Garnet



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Jet
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Andradite Garnet

Jet and Andradite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Opaque, Transparent to opaque
1.5 Refractive Index
1.640-1.6801.888-1.889
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent to opaque

Jet and Andradite Garnet Optic Character

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

Jet and Andradite Garnet Transparency

Similar to their colors, Jet 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, Jet is Gemmological Tables (2004) More from other references while Jet is Gemmological Tables (2004) More from other references in appearance.