×

Mellite
Mellite

Triplite
Triplite



ADD
Compare
X
Mellite
X
Triplite

Mellite and Triplite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak: yellowish brown yellowAnthony et al
DistinctArthur Thomas

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.509-1.5411.643-1.703
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.0300.020
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Mellite and Triplite Optic Character

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

Similar to their colors, Mellite and Triplite 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.