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Pectolite
Pectolite

Axinite
Axinite



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Pectolite
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Axinite

Pectolite and Axinite Optical Properties

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Optical Properties

Luster

Silky
Vitreous

Pleochroism

-
Strong

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.595-1.6451.656-1.704
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Triclinic
Triclinic

Birefringence

0.028-0.0380.009-0.012
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pectolite and Axinite Optic Character

Pectolite and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pectolite and Axinite 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 Axinite 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. Axinite has Biaxial/+ character.

Pectolite and Axinite Transparency

Similar to their colors, Pectolite and Axinite 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.