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Natrolite and Turquoise Optical Properties


Turquoise and Natrolite Optical Properties


Optical Properties

Luster
Vitreous, Silky, Pearly   
Waxy   

Pleochroism
NilArthur Thomas   
Weak   

Dispersion
Not Available   
None   

Transparency
Transparent, Translucent   
Translucent, Opaque   

Refractive Index
1.478-1.493   
1.610-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
0.012-0.013   
0.040   

Clarity
Transparent   
Translucent   

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Natrolite and Turquoise Optic Character

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

Similar to their colors, Natrolite and Turquoise 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, Natrolite is Translucent and Transparent while Natrolite is Translucent and Transparent in appearance.

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