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Spodumene
Spodumene

Sylvite
Sylvite



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Spodumene
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Sylvite

Spodumene and Sylvite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong in kunzite: α-purple
Visible in colored crystals
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.657-1.6811.4903
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
Not Available

Spodumene and Sylvite Optic Character

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

Similar to their colors, Spodumene and Sylvite 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.