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Feldspar
Feldspar

Zircon
Zircon



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Feldspar
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Zircon

Feldspar and Zircon Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
None
Weak
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.518-1.5701.810-2.024
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
tetragonal
1.8 Birefringence
0.008-0.0100.047-0.055
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Feldspar and Zircon Optic Character

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

Feldspar and Zircon Transparency

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