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Kyanite
Kyanite

Lepidolite
Lepidolite



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X
Kyanite
X
Lepidolite

Kyanite and Lepidolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
Trichroic
X = almost colorless; Y = Z = pink
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.71-1.741.525-1.587
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
Not Available0.0290-0.0380
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Kyanite and Lepidolite Optic Character

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

Similar to their colors, Kyanite and Lepidolite 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.