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Orthoclase
Orthoclase
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Zircon
Zircon
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Orthoclase
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Zircon

Orthoclase and Zircon Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
colorless.
0.01
-
1.518-1.536
-
monoclinic
0.0050-0.0060
TransparentUlrich Henn and Claudio C. Milisenda
 
Adamantine
Weak
0.04
Transparent
1.810-2.024
-
tetragonal
0.047-0.055
Transparent

Orthoclase and Zircon Optic Character

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

Orthoclase and Zircon Transparency

Similar to their colors, Orthoclase 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, Orthoclase is while Orthoclase is in appearance.