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Spodumene
Spodumene

Amethyst
Amethyst



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Spodumene
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Amethyst

Spodumene and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong in kunzite: α-purple
None
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Transparent to translucent
1.5 Refractive Index
1.657-1.6811.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.014-0.0180.009
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Spodumene and Amethyst Optic Character

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

Similar to their colors, Spodumene and Amethyst 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 Transparent while Spodumene is Transparent in appearance.