×

Fibrolite
Fibrolite

Mellite
Mellite



ADD
Compare
X
Fibrolite
X
Mellite

Fibrolite and Mellite Optical Properties

Add ⊕

Optical Properties

Luster

-
Vitreous

Pleochroism

DistinctArthur Thomas
Weak: yellowish brown yellowAnthony et al

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.658-1.6781.509-1.541
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.030
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Fibrolite and Mellite Optic Character

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

Fibrolite and Mellite Transparency

Similar to their colors, Fibrolite 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, Fibrolite is Transparent while Fibrolite is Transparent in appearance.