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Melanite
Melanite

Prasiolite
Prasiolite



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Melanite
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Prasiolite

Melanite and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Vitreous
1.2 Pleochroism
Not Available
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
Albite Optical ..
0.06
Rank: 7 (Overall)
0.01
Rank: 27 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.855-1.895
1.544-1.553
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available
0.009
1.9 Clarity
Translucent
Transparent

Melanite and Prasiolite Optic Character

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

Similar to their colors, Melanite and Prasiolite 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.

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