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Chalcedony
Chalcedony

Leucite
Leucite



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Chalcedony
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Leucite

Chalcedony and Leucite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.01
Rank: 29 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Translucent to opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.543
1.504-1.510
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
0.003-0.009
0.001
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Chalcedony and Leucite Optic Character

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

Similar to their colors, Chalcedony and Leucite 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.