×

Erythrite
Erythrite

Dioptase
Dioptase



ADD
Compare
X
Erythrite
X
Dioptase

Erythrite and Dioptase Optical Properties

Optical Properties

Luster

Subadamantine, Pearly
Vitreous

Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
Weak; dark emerald green

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.626-1.6291.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Erythrite and Dioptase Optic Character

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

Erythrite and Dioptase Transparency

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