×

Piemontite
Piemontite

Omphacite
Omphacite



ADD
Compare
X
Piemontite
X
Omphacite

Piemontite and Omphacite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

visible
Weak: colorless -- very pale green -- very pale green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
TranslucentAnthony et al

Refractive Index

1.725-1.7561.662-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.025-0.076-9999
0 0.296
👆🏻

Clarity

-
TranslucentAnthony et al

Piemontite and Omphacite Optic Character

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

Piemontite and Omphacite Transparency

Similar to their colors, Piemontite and Omphacite 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, Piemontite is while Piemontite is in appearance.