×

Omphacite
Omphacite

Zoisite
Zoisite



ADD
Compare
X
Omphacite
X
Zoisite

Omphacite and Zoisite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak: colorless -- very pale green -- very pale green
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

TranslucentAnthony et al
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

Refractive Index

1.662-1.7231.685-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.006-0.018
0 0.296
👆🏻

Clarity

TranslucentAnthony et al
Transparent

Omphacite and Zoisite Optic Character

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

Omphacite and Zoisite Transparency

Similar to their colors, Omphacite and Zoisite 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, Omphacite is TranslucentAnthony et al while Omphacite is TranslucentAnthony et al in appearance.