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Lawsonite and Rubellite Tourmaline Optical Properties


Rubellite Tourmaline and Lawsonite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Not Available   

Pleochroism
Weak   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Opaque   

Refractive Index
1.672-1.676   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Isometric   

Birefringence
0.019-0.021   
Not Available   

Clarity
Not Available   
Opaque   

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<< Physical Properties

Lawsonite and Rubellite Tourmaline Optic Character

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

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Lawsonite and Rubellite Tourmaline Transparency

Similar to their colors, Lawsonite and Rubellite Tourmaline 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 Not Available while Lawsonite is Not Available in appearance.

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