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Turquoise
Turquoise

Spodumene
Spodumene



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Turquoise
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Spodumene

Turquoise and Spodumene Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Weak
Strong in kunzite: α-purple
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent
1.5 Refractive Index
1.610-1.6501.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.0400.014-0.018
Achroite
0 0.296
1.9 Clarity
Translucent
Gems

Turquoise and Spodumene Optic Character

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

Turquoise and Spodumene Transparency

Similar to their colors, Turquoise and Spodumene 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.