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Sapphire
Sapphire

Lawsonite
Lawsonite



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Lawsonite

Sapphire and Lawsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Vitreous, Greasy
1.2 Pleochroism
Strong
Weak
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Not Available
1.5 Refractive Index
1.762-1.788
1.672-1.676
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.008-0.009
0.019-0.021
1.9 Clarity
Transparent
Not Available

Sapphire and Lawsonite Optic Character

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

Sapphire and Lawsonite Transparency

Similar to their colors, 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.