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Spodumene and Hackmanite Optical Properties


Hackmanite and Spodumene Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Strong in kunzite: α-purple   
Not Available   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.657-1.681   
1.483-1.487   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.014-0.018   
Not Available   

Clarity
Gems   
Transparent   

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Spodumene and Hackmanite Optic Character

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

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Spodumene and Hackmanite Transparency

Similar to their colors, Spodumene and Hackmanite 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.

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