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Lepidolite and Hawks Eye Optical Properties


Hawks Eye and Lepidolite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
X = almost colorless; Y = Z = pink   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.525-1.587   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Trigonal   

Birefringence
0.0290-0.0380   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Lepidolite and Hawks Eye Optic Character

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

Similar to their colors, Lepidolite and Hawks Eye 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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