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Natrolite
Natrolite

Idocrase
Idocrase



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Natrolite
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Idocrase

Natrolite and Idocrase Optical Properties

Optical Properties

Luster

Vitreous, Silky, Pearly
-

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.478-1.4931.67-1.76
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.012-0.013-9999
0 0.296
👆🏻

Clarity

Transparent
-

Natrolite and Idocrase Optic Character

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

Similar to their colors, Natrolite and Idocrase 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.