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Pectolite
Pectolite

Malachite
Malachite



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Pectolite
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Malachite

Pectolite and Malachite Optical Properties

Optical Properties

Luster

Silky
Adamantine, Vitreous, Silky

Pleochroism

-
-

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
Opaque

Refractive Index

1.595-1.6451.655-1.909
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
monoclinic

Birefringence

0.028-0.0380.254
0 0.296
👆🏻

Clarity

Transparent
-

Pectolite and Malachite Optic Character

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

Similar to their colors, Pectolite and Malachite 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.