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Goethite
Goethite

Kornerupine
Kornerupine



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Goethite
X
Kornerupine

Goethite and Kornerupine Optical Properties

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

VisibleArthur Thomas
X = colorless to green; Y = colorless

Dispersion

0.050.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.26-2.3981.660-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.1380.012-0.017
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Goethite and Kornerupine Optic Character

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

Similar to their colors, Goethite and Kornerupine 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.