Serpentine and Star Sapphire Optical Properties

Serpentine

Star Sapphire

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

Transparent, Translucent

1.5 Refractive Index

1.560-1.5711.758-1.780

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.008-0.0140.007-0.010

0 0.296

1.9 Clarity

Translucent

Transparent

Serpentine and Star Sapphire Optic Character

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

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Serpentine and Star Sapphire Transparency

Similar to their colors, Serpentine 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, Serpentine is Translucent while Serpentine is Translucent in appearance.