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Ruby
Ruby

Spodumene
Spodumene



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Spodumene

Ruby and Spodumene Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Vitreous
1.2 Pleochroism
Strong: purplish-red
Strong in kunzite: α-purple
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
1.5 Refractive Index
1.762-1.778
1.657-1.681
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.008
0.014-0.018
1.9 Clarity
Transparent
Gems

Ruby and Spodumene Optic Character

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

Ruby and Spodumene Transparency

Similar to their colors, Ruby and Spodumene 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.