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Charoite
Charoite

Simpsonite
Simpsonite



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Charoite
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Simpsonite

Charoite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
Adamantine
1.2 Pleochroism
NilArthur Thomas
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.545-1.5601.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0090.046
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Charoite and Simpsonite Optic Character

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

Similar to their colors, Charoite and Simpsonite 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.