×

Mottramite
Mottramite

Eosphorite
Eosphorite



ADD
Compare
X
Mottramite
X
Eosphorite

Mottramite and Eosphorite Optical Properties

Optical Properties

Luster

Greasy
Vitreous, Resinous

Pleochroism

Visible X=Y= canary yellow to greenish yellow
Visible: X = yellow; Y = pink; Z = pale pink to colorless

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.1701.639-1.672
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.1500.029-0.032
0 0.296
👆🏻

Clarity

-
Transparent

Mottramite and Eosphorite Optic Character

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

Mottramite and Eosphorite Transparency

Similar to their colors, Mottramite and Eosphorite 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, Mottramite is while Mottramite is in appearance.