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Mellite
Mellite

Ceylonite
Ceylonite



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Mellite
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Ceylonite

Mellite and Ceylonite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak: yellowish brown yellowAnthony et al
Absent

Dispersion

0.010.02
0.005 1
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Transparency

-
Transparent, Translucent

Refractive Index

1.509-1.5411.770-1.780
1 3.25
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Optic Character

-
-

Crystal System

-
Isometric

Birefringence

0.030-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Mellite and Ceylonite Optic Character

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

Mellite and Ceylonite Transparency

Similar to their colors, Mellite and Ceylonite 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, Mellite is while Mellite is in appearance.