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Smithsonite
Smithsonite

Kyanite
Kyanite



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Smithsonite
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Kyanite

Smithsonite and Kyanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Trichroic
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.620-1.8501.71-1.74
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.223-0.227Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Color grading system

Smithsonite and Kyanite Optic Character

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

Smithsonite and Kyanite Transparency

Similar to their colors, Smithsonite and Kyanite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.