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Natrolite
Natrolite

Emerald
Emerald



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Natrolite
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Emerald

Natrolite and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Silky, Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.478-1.4931.565-1.602
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.012-0.0130.0040-0.0070
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Natrolite and Emerald Optic Character

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

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