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Chalcedony
Chalcedony

Rutilated topaz
Rutilated topaz



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Chalcedony
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Rutilated topaz

Chalcedony and Rutilated topaz Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
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Transparency

Translucent, Translucent to opaque
-

Refractive Index

1.530-1.543-9999
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.003-0.009-9999
0 0.296
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Clarity

Translucent
-

Chalcedony and Rutilated topaz Optic Character

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

Similar to their colors, Chalcedony and Rutilated topaz 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.