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Elbaite
Elbaite

Melanite
Melanite



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Elbaite
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Melanite

Elbaite and Melanite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Vitreous
1.2 Pleochroism
Pale green
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.06
Rank: 7 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.614-1.666
1.855-1.895
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.014-0.032
Not Available
1.9 Clarity
Transparent
Translucent

Elbaite and Melanite Optic Character

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

Elbaite and Melanite Transparency

Similar to their colors, Elbaite and Melanite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.