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Catapleiite and Tanzanite Optical Properties


Tanzanite and Catapleiite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Present   

Dispersion
Not Available   
0.03   
14

Transparency
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.590-1.629   
1.685-1.707   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)   
Orthorhombic   

Birefringence
0.039   
0.006-0.018   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
TransparentUlrich Henn and Claudio C. Milisenda   

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Catapleiite and Tanzanite Optic Character

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

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Catapleiite and Tanzanite Transparency

Similar to their colors, Catapleiite 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, Catapleiite is Gemmological Tables (2004) and TransparentUlrich Henn and Claudio C. Milisenda while Catapleiite is Gemmological Tables (2004) and TransparentUlrich Henn and Claudio C. Milisenda in appearance.

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