×

Stichtite
Stichtite

Mottramite
Mottramite



ADD
Compare
X
Stichtite
X
Mottramite

Stichtite and Mottramite Optical Properties

Optical Properties

Luster

Waxy, Resinous
Greasy

Pleochroism

Weak
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.516-1.5442.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.0260.150
0 0.296
👆🏻

Clarity

Translucent
-

Stichtite and Mottramite Optic Character

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

Stichtite and Mottramite Transparency

Similar to their colors, Stichtite and Mottramite 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, Stichtite is Translucent while Stichtite is Translucent in appearance.