×

Ulexite
Ulexite

Erythrite
Erythrite



ADD
Compare
X
Ulexite
X
Erythrite

Ulexite and Erythrite Optical Properties

Add ⊕

Optical Properties

Luster

-
Subadamantine, Pearly

Pleochroism

-
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.060.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.491-1.5201.626-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.029-9999
0 0.296
👆🏻

Clarity

Transparent
-

Ulexite and Erythrite Optic Character

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

Ulexite and Erythrite Transparency

Similar to their colors, Ulexite and Erythrite 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, Ulexite is Transparent while Ulexite is Transparent in appearance.