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Prasiolite
Prasiolite

Charoite
Charoite



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Prasiolite
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Charoite

Prasiolite and Charoite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Fibrous, Chatoyant
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
NilArthur Thomas
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.544-1.5531.545-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.0090.009
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Prasiolite and Charoite Optic Character

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

Prasiolite and Charoite Transparency

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