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Uvarovite
Uvarovite

Tanzanite
Tanzanite



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Uvarovite
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Tanzanite

Uvarovite and Tanzanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
0.010.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.871.685-1.707
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
Not Available0.006-0.018
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Uvarovite and Tanzanite Optic Character

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

Uvarovite and Tanzanite Transparency

Similar to their colors, Uvarovite and Tanzanite 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, Uvarovite is Translucent while Uvarovite is Translucent in appearance.