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Orthoclase
Orthoclase

Ruby
Ruby



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Orthoclase
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Ruby

Orthoclase and Ruby Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous, Adamantine

Pleochroism

colorless.
Strong: purplish-red

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

1.518-1.5361.762-1.778
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.0050-0.00600.008
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Orthoclase and Ruby Optic Character

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

Similar to their colors, Orthoclase and Ruby 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.