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Langbeinite and Iolite Optical Properties


Iolite and Langbeinite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.5329-1.5347   
1.52-1.56   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Orthorhombic   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent to translucent   

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<< Physical Properties

Langbeinite and Iolite Optic Character

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

Similar to their colors, Langbeinite and Iolite 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, Langbeinite is Not Available while Langbeinite is Not Available in appearance.

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Green Gemstones


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