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Grossular
Grossular

Lawsonite
Lawsonite



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Grossular
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Lawsonite

Grossular and Lawsonite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
None
0.02
-
1.730-1.760
-
cubic
0.020
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous, Greasy
Weak
0.01
-
1.672-1.676
-
Orthorhombic
0.019-0.021
-

Grossular and Lawsonite Optic Character

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

Grossular and Lawsonite Transparency

Similar to their colors, Grossular 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, Grossular is while Grossular is in appearance.