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Charoite
Charoite

Gedrite
Gedrite



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Charoite
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Gedrite

Charoite and Gedrite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
Fibrous, Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak to moderate
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.545-1.5601.625-1.718
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Charoite and Gedrite Optic Character

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

Similar to their colors, Charoite and Gedrite 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.