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Zircon
Zircon

Sunstone
Sunstone



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Zircon
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Sunstone

Zircon and Sunstone Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Weak
Weak or absentWalter Schumann
1.3 Dispersion
0.04None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.810-2.0241.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Triclinic
1.8 Birefringence
0.047-0.0550.007-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Zircon and Sunstone Optic Character

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

Zircon and Sunstone Transparency

Similar to their colors, Zircon and Sunstone 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, Zircon is Transparent while Zircon is Transparent in appearance.