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Tinzenite and Demantoid Optical Properties


Demantoid and Tinzenite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
In thick sections   
None   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.690-1.705   
1.880-1.890   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
cubic   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Tinzenite and Demantoid Optic Character

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

Similar to their colors, Tinzenite and Demantoid 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, Tinzenite is Transparent while Tinzenite is Transparent in appearance.

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