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Melanite
Melanite

Pearl
Pearl



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Melanite
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Pearl

Melanite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Pearly
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
0.06None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Opaque
1.5 Refractive Index
1.855-1.8951.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.156
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Melanite and Pearl Optic Character

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

Similar to their colors, Melanite and Pearl 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.