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Charoite
Charoite

Emerald
Emerald



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Charoite
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Emerald

Charoite and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
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
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.545-1.5601.565-1.602
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Hexagonal
1.8 Birefringence
0.0090.0040-0.0070
Achroite
0 0.296
1.9 Clarity
Translucent
Color grading system

Charoite and Emerald Optic Character

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

Charoite and Emerald Transparency

Similar to their colors, Charoite 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, Charoite is Translucent while Charoite is Translucent in appearance.