Uvarovite and Catapleiite Optical Properties

Uvarovite

Catapleiite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Translucent

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

1.871.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

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

1.8 Birefringence

Not Available0.039

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Uvarovite and Catapleiite Optic Character

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

Similar to their colors, Uvarovite and Catapleiite 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.