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Charoite
Charoite

Rossmanite
Rossmanite



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Charoite
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Rossmanite

Charoite and Rossmanite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentWebmineral.com, Mineralogy Database (2012)
1.5 Refractive Index
1.545-1.5601.624-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0090.021
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWebmineral.com

Charoite and Rossmanite Optic Character

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

Similar to their colors, Charoite and Rossmanite 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.