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Natrolite
Natrolite

Verdite
Verdite



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Natrolite
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Verdite

Natrolite and Verdite Optical Properties

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Optical Properties

Luster

Vitreous, Silky, Pearly
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.478-1.4931.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.012-0.013-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Natrolite and Verdite Optic Character

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

Natrolite and Verdite Transparency

Similar to their colors, Natrolite and Verdite 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, Natrolite is Transparent and Translucent while Natrolite is Transparent and Translucent in appearance.