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Amber and Topaz Optical Properties


Topaz and Amber Optical Properties


Optical Properties

Luster
Resinous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Weak   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.539-1.545   
1.606-1.644   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
Orthorhombic   

Birefringence
Not Available   
0.008-0.011   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Amber and Topaz Optic Character

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

Amber and Topaz Transparency

Similar to their colors, Amber and Topaz 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, Amber is Translucent and Transparent while Amber is Translucent and Transparent in appearance.

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