×

Proustite
Proustite

Schorl
Schorl



ADD
Compare
X
Proustite
X
Schorl

Proustite and Schorl Optical Properties

Add ⊕

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Moderate; cochineal-red to blood-red
Very strong: yellow-brown pale yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent, Translucent

Refractive Index

2.792-3.0871.635-1.672
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.295-0.2960.025
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Proustite and Schorl Optic Character

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

Proustite and Schorl Transparency

Similar to their colors, Proustite and Schorl 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, Proustite is OpaqueUlrich Henn and Claudio C. Milisenda while Proustite is OpaqueUlrich Henn and Claudio C. Milisenda in appearance.