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Lepidolite and Jeremejevite Optical Properties


Jeremejevite and Lepidolite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
X = almost colorless; Y = Z = pink   
Colorless   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.525-1.587   
1.638-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Hexagonal   

Birefringence
0.0290-0.0380   
0.0130   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Lepidolite and Jeremejevite Optic Character

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

Similar to their colors, Lepidolite and Jeremejevite 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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