Sunstone and Pectolite Optical Properties

Sunstone

Pectolite

Add ⊕

Optical Properties

Luster

Vitreous

Silky

Pleochroism

Weak or absentWalter Schumann

Dispersion

0.010.01

0.005 1

👆🏻

Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.53-1.551.595-1.645

1 3.25

👆🏻

Optic Character

Crystal System

Triclinic

Birefringence

0.007-0.0100.028-0.038

0 0.296

👆🏻

Clarity

Transparent to translucent

Transparent

Sunstone and Pectolite Optic Character

Sunstone and Pectolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sunstone and Pectolite 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 Sunstone and Pectolite 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 for Leo » More

Sunstone Vs Heliodor

Sunstone Vs Pietersite

Sunstone Vs Crystal Quartz

» More Compare Gems for Leo

Sunstone and Pectolite Transparency

Similar to their colors, Sunstone and Pectolite 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, Sunstone is Transparent, Translucent and Transparent to translucent while Sunstone is Transparent, Translucent and Transparent to translucent in appearance.