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Nickeline and Lawsonite Optical Properties


Lawsonite and Nickeline Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Greasy   

Pleochroism
Strong (reflected light)   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
Not Available   
1.672-1.676   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
Not Available   
0.019-0.021   

Clarity
Not Available   
Not Available   

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<< Physical Properties

Nickeline and Lawsonite Optic Character

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

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Nickeline and Lawsonite Transparency

Similar to their colors, Nickeline 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, Nickeline is Not Available while Nickeline is Not Available in appearance.

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Red Gemstones


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