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Lawsonite
Lawsonite

Vesuvianite
Vesuvianite



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Lawsonite
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Vesuvianite

Lawsonite and Vesuvianite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
Weak
0.01
-
1.672-1.676
-
Orthorhombic
0.019-0.021
-
 
Vitreous, Resinous
slight in colored varieties
0.03
-
1.703-1.752
-
tetragonal
0.004-0.006
-

Lawsonite and Vesuvianite Optic Character

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

Lawsonite and Vesuvianite Transparency

Similar to their colors, Lawsonite and Vesuvianite 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, Lawsonite is while Lawsonite is in appearance.