×

Goethite
Goethite

Cacoxenite
Cacoxenite



ADD
Compare
X
Goethite
X
Cacoxenite

Goethite and Cacoxenite Optical Properties

Optical Properties

Luster

Adamantine
Silky

Pleochroism

VisibleArthur Thomas
visible: O = Pale yellow E = Canary yellow to yellow orange

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.26-2.3981.575-1.585
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.138-9999
0 0.296
👆🏻

Clarity

-
-

Goethite and Cacoxenite Optic Character

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

Goethite and Cacoxenite Transparency

Similar to their colors, Goethite and Cacoxenite 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, Goethite is while Goethite is in appearance.