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Spodumene
Spodumene

Sunstone
Sunstone



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Spodumene
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Sunstone

Spodumene and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong in kunzite: α-purple
Weak or absentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.657-1.6811.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
0.014-0.0180.007-0.010
Achroite
0 0.296
1.9 Clarity
Gems
Transparent to translucent

Spodumene and Sunstone Optic Character

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

Similar to their colors, Spodumene and Sunstone 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.