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Meionite and Lapis lazuli Optical Properties


Lapis lazuli and Meionite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous, Greasy   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent, Translucent   
Opaque   

Refractive Index
1.556-1.600   
1.500-1.670   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.024-0.037   
Not Available   

Clarity
Transparent   
Gemstones of the world (2001)   

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Meionite and Lapis lazuli Optic Character

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

Similar to their colors, Meionite and Lapis lazuli 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, Meionite is Translucent and Transparent while Meionite is Translucent and Transparent in appearance.

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