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Chalcedony
Chalcedony

Pollucite
Pollucite



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Chalcedony
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Pollucite

Chalcedony and Pollucite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent
1.5 Refractive Index
1.530-1.543
1.517-1.525
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.003-0.009
Not Available
1.9 Clarity
Translucent
Transparent

Chalcedony and Pollucite Optic Character

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

Similar to their colors, Chalcedony and Pollucite 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.