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Selenite
Selenite

Lawsonite
Lawsonite



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Selenite
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Lawsonite

Selenite and Lawsonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

-
Weak

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

-99991.672-1.676
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

-99990.019-0.021
0 0.296
👆🏻

Clarity

Transparent
-

Selenite and Lawsonite Optic Character

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

Selenite and Lawsonite Transparency

Similar to their colors, Selenite 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, Selenite is Transparent while Selenite is Transparent in appearance.