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Kyanite
Kyanite

Spodumene
Spodumene



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Kyanite
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Spodumene

Kyanite and Spodumene Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Trichroic
Strong in kunzite: α-purple
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.71-1.741.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
Not Available0.014-0.018
Achroite
0 0.296
1.9 Clarity
Color grading system
Gems

Kyanite and Spodumene Optic Character

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

Kyanite and Spodumene Transparency

Similar to their colors, Kyanite and Spodumene 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, Kyanite is Not Available while Kyanite is Not Available in appearance.