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Pleonaste
Pleonaste

Emerald
Emerald



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Pleonaste
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Emerald

Pleonaste and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.780
1.565-1.602
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available
0.0040-0.0070
1.9 Clarity
Gemmological Tables (2004)
Color grading system

Pleonaste and Emerald Optic Character

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

Pleonaste and Emerald Transparency

Similar to their colors, Pleonaste 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, Pleonaste is Gemmological Tables (2004) while Pleonaste is Gemmological Tables (2004) in appearance.

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