×

Eosphorite
Eosphorite

Mellite
Mellite



ADD
Compare
X
Eosphorite
X
Mellite

Eosphorite and Mellite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless
Weak: yellowish brown yellowAnthony et al

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.639-1.6721.509-1.541
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.029-0.0320.030
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Eosphorite and Mellite Optic Character

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

Eosphorite and Mellite Transparency

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