×

Omphacite
Omphacite

Rosasite
Rosasite



ADD
Compare
X
Omphacite
X
Rosasite

Omphacite and Rosasite Optical Properties

Optical Properties

Luster

Vitreous
Silky, Vitreous

Pleochroism

Weak: colorless -- very pale green -- very pale green
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

TranslucentAnthony et al
-

Refractive Index

1.662-1.7231.672-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.139-0.143
0 0.296
👆🏻

Clarity

TranslucentAnthony et al
-

Omphacite and Rosasite Optic Character

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

Similar to their colors, Omphacite and Rosasite 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.