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Chalcedony
Chalcedony

Almandine Garnet
Almandine Garnet



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Chalcedony
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Almandine Garnet

Chalcedony and Almandine Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.530-1.5431.780-1.810
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to translucent

Chalcedony and Almandine Garnet Optic Character

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

Chalcedony and Almandine Garnet Transparency

Similar to their colors, Chalcedony and Almandine 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.