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Chalcedony
Chalcedony

Cacoxenite
Cacoxenite



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Chalcedony
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Cacoxenite

Chalcedony and Cacoxenite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
AbsentWalter Schumann
visible: O = Pale yellow E = Canary yellow to yellow orange
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Not Available
1.5 Refractive Index
1.530-1.5431.575-1.585
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Chalcedony and Cacoxenite Optic Character

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

Similar to their colors, Chalcedony and Cacoxenite 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.