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Edenite
Edenite

Mellite
Mellite



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Edenite
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Mellite

Edenite and Mellite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Distinct
Weak: yellowish brown yellowAnthony et al

Dispersion

0.020.01
0.005 1
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Transparency

-
-

Refractive Index

1.606-1.6491.509-1.541
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-99990.030
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Edenite and Mellite Optic Character

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

Edenite and Mellite Transparency

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