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Star Sapphire
Star Sapphire
☒

Lawsonite
Lawsonite
☒



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Star Sapphire
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Lawsonite

Star Sapphire and Lawsonite 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, Greasy
Weak
0.01
-
1.672-1.676
-
Orthorhombic
0.019-0.021
-

Star Sapphire and Lawsonite Optic Character

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

Similar to their colors, Star Sapphire and Lawsonite 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.