×

Lazulite
Lazulite

Dioptase
Dioptase



ADD
Compare
X
Lazulite
X
Dioptase

Lazulite and Dioptase Optical Properties

Add ⊕

Optical Properties

Luster

-
Vitreous

Pleochroism

Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Weak; dark emerald green

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.604-1.6461.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.031-0.0360.051-0.053
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Lazulite and Dioptase Optic Character

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

Lazulite and Dioptase Transparency

Similar to their colors, Lazulite 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, Lazulite is Transparent and Translucent while Lazulite is Transparent and Translucent in appearance.