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Pectolite
Pectolite

Star Sapphire
Star Sapphire



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Pectolite
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Star Sapphire

Pectolite and Star Sapphire Optical Properties

Optical Properties

Luster

Silky
-

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.595-1.6451.758-1.780
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

0.028-0.0380.007-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pectolite and Star Sapphire Optic Character

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

Pectolite and Star Sapphire Transparency

Similar to their colors, Pectolite 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, Pectolite is Transparent while Pectolite is Transparent in appearance.