Cat s Eye and Vesuvianite Idocrase Optical Properties

Cat s Eye

Vesuvianite Idocrase

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.744-1.7551.700-1.725

1 3.25

1.6 Optic Character

Not Available

Uniaxial/-

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

Not Available0.002-0.012

0 0.296

1.9 Clarity

Translucent

Transparent

Cat s Eye and Vesuvianite Idocrase Optic Character

Cat s Eye and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cat s Eye and Vesuvianite Idocrase 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 Cat s Eye and Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

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Cat s Eye and Vesuvianite Idocrase Transparency

Similar to their colors, Cat s Eye and Vesuvianite Idocrase 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, Cat s Eye is Translucent while Cat s Eye is Translucent in appearance.