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Narsarsukite
Narsarsukite

Goethite
Goethite



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Narsarsukite
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Goethite

Narsarsukite and Goethite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Adamantine

Pleochroism

Weak; O = colorless to yellow; E = colorless to honey-yellow
VisibleArthur Thomas

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.610-1.6472.26-2.398
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.0210.138
0 0.296
👆🏻

Clarity

Transparent
-

Narsarsukite and Goethite Optic Character

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

Narsarsukite and Goethite Transparency

Similar to their colors, Narsarsukite and Goethite 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, Narsarsukite is Transparent and Translucent while Narsarsukite is Transparent and Translucent in appearance.