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Spodumene
Spodumene

Goethite
Goethite



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Spodumene
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Goethite

Spodumene and Goethite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Strong in kunzite: α-purple
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.018
-
 
Adamantine
VisibleArthur Thomas
0.05
-
2.26-2.398
-
Orthorhombic
0.138
-

Spodumene and Goethite Optic Character

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

Spodumene and Goethite Transparency

Similar to their colors, Spodumene 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, Spodumene is while Spodumene is in appearance.