Viridine and Star Sapphire Optical Properties

Viridine

Star Sapphire

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.629-1.6601.758-1.780

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.007-0.0130.007-0.010

0 0.296

1.9 Clarity

Transparent

Viridine and Star Sapphire Optic Character

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

Compare Gems Found in South Asia

Viridine Vs Idocrase

Viridine Vs Iolite

Viridine Vs Kyanite

Viridine and Star Sapphire Transparency

Similar to their colors, Viridine and Star Sapphire 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, Viridine is Translucent and Transparent while Viridine is Translucent and Transparent in appearance.