×

Faustite
Faustite

Dioptase
Dioptase



ADD
Compare
X
Faustite
X
Dioptase

Faustite and Dioptase Optical Properties

Add ⊕

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
Weak; dark emerald green

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.6121.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Trigonal

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

Translucent
TranslucentHerve Nicolas Lazzarelli

Faustite and Dioptase Optic Character

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

Faustite and Dioptase Transparency

Similar to their colors, Faustite 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, Faustite is Translucent while Faustite is Translucent in appearance.