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Emerald
Emerald

Zinnwaldite
Zinnwaldite



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Emerald
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Zinnwaldite

Emerald and Zinnwaldite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Vitreous
1.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Distinct
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.565-1.6021.565-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.0040-0.00700.040-0.050
Achroite
0 0.296
1.9 Clarity
Color grading system
Not Available

Emerald and Zinnwaldite Optic Character

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

Emerald and Zinnwaldite Transparency

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