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Spodumene
Spodumene

Sphalerite
Sphalerite



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Spodumene
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Sphalerite

Spodumene and Sphalerite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Strong in kunzite: α-purple
AbsentWalter Schumann
1.3 Dispersion
0.020.16
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.657-1.6812.368-2.371
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.014-0.018Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Spodumene and Sphalerite Optic Character

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

Similar to their colors, Spodumene and Sphalerite 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.