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Lepidolite and Jasper Optical Properties


Jasper and Lepidolite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
X = almost colorless; Y = Z = pink   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent   
Opaque   

Refractive Index
1.525-1.587   
1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Trigonal   

Birefringence
0.0290-0.0380   
Not Available   

Clarity
Transparent   
OpaqueHerve Nicolas Lazzarelli   

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Lepidolite and Jasper Optic Character

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

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Lepidolite and Jasper Transparency

Similar to their colors, Lepidolite and Jasper 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, Lepidolite is Transparent while Lepidolite is Transparent in appearance.

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