Kashmir sapphire and Vesuvianite Idocrase Optical Properties

Kashmir sapphire

Vesuvianite Idocrase

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

Not Available1.700-1.725

1 3.25

1.6 Optic Character

Not Available

Uniaxial/-

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.002-0.012

0 0.296

1.9 Clarity

Not Available

Transparent

Kashmir sapphire and Vesuvianite Idocrase Optic Character

Kashmir sapphire and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kashmir sapphire 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 Kashmir sapphire 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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Kashmir sapphire and Vesuvianite Idocrase Transparency

Similar to their colors, Kashmir sapphire 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, Kashmir sapphire is Not Available while Kashmir sapphire is Not Available in appearance.