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Star Sapphire
Star Sapphire

Leucite
Leucite



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Star Sapphire
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Leucite

Star Sapphire and Leucite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent, Translucent
1.758-1.780
-
-
0.007-0.010
Transparent
 
Vitreous
-
0.01
-
1.504-1.510
-
tetragonal
0.001
TransparentUlrich Henn and Claudio C. Milisenda

Star Sapphire and Leucite Optic Character

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

Star Sapphire and Leucite Transparency

Similar to their colors, Star Sapphire 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, Star Sapphire is while Star Sapphire is in appearance.