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Spodumene
Spodumene

Nuummite
Nuummite



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Spodumene
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Nuummite

Spodumene and Nuummite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Strong in kunzite: α-purple
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.657-1.6811.635-1.663
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.014-0.0180.0170-0.230
Achroite
0 0.296
1.9 Clarity
Gems
Gemmological Tables (2004) More from other references

Spodumene and Nuummite Optic Character

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

Similar to their colors, Spodumene and Nuummite 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.