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Melanite
Melanite

Lazurite
Lazurite



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Melanite
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Lazurite

Melanite and Lazurite Optical Properties

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1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.06NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.855-1.8951.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Melanite and Lazurite Optic Character

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

Melanite and Lazurite Transparency

Similar to their colors, Melanite and Lazurite 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, Melanite is Translucent while Melanite is Translucent in appearance.