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Spodumene
Spodumene

Cuprite
Cuprite



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Spodumene
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Cuprite

Spodumene and Cuprite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Strong in kunzite: α-purple
visible
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TranslucentWalter Schumann
1.5 Refractive Index
1.657-1.6812.849
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
cubic
1.8 Birefringence
0.014-0.018Not Available
Achroite
0 0.296
1.9 Clarity
Gems
TranslucentWalter Schumann

Spodumene and Cuprite Optic Character

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

Similar to their colors, Spodumene and Cuprite 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.