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Melanite
Melanite

Andradite
Andradite



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Melanite
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Andradite

Melanite and Andradite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Adamantine, Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
0.06
Rank: 7 (Overall)
0.06
Rank: 7 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.855-1.895
1.88-1.94
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
cubic
1.8 Birefringence
Not Available
0.057
1.9 Clarity
Translucent
Transparent

Melanite and Andradite Optic Character

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

Similar to their colors, Melanite and Andradite 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.