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Legrandite and Jasper Optical Properties


Jasper and Legrandite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Colorless   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Gems   
Opaque   

Refractive Index
1.702-1.740   
1.540   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.060   
Not Available   

Clarity
Gems   
OpaqueHerve Nicolas Lazzarelli   

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Legrandite and Jasper Optic Character

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

Similar to their colors, Legrandite 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, Legrandite is Gems while Legrandite is Gems in appearance.

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