×

Fluorapatite
Fluorapatite

Eudialyte
Eudialyte



ADD
Compare
X
Fluorapatite
X
Eudialyte

Fluorapatite and Eudialyte Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Weak to strong if coloreD
Weak: O= colorless

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.631-1.6501.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Trigonal

Birefringence

-99990.003-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Fluorapatite and Eudialyte Optic Character

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

Fluorapatite and Eudialyte Transparency

Similar to their colors, Fluorapatite and Eudialyte 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, Fluorapatite is Transparent while Fluorapatite is Transparent in appearance.