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Emerald
Emerald

Nepouite
Nepouite



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Emerald and Nepouite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Waxy, Pearly
1.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Weak
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.565-1.602
1.600-1.630
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0040-0.0070
Not Available
1.9 Clarity
Color grading system
Not Available

Emerald and Nepouite Optic Character

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

Similar to their colors, Emerald and Nepouite 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.