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Aventurine feldspar
Aventurine feldspar

Ruby
Ruby



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Aventurine feldspar
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Ruby

Aventurine feldspar and Ruby Optical Properties

Optical Properties

Luster

-
Vitreous, Adamantine

Pleochroism

-
Strong: purplish-red

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.762-1.778
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.008
0 0.296
👆🏻

Clarity

-
Transparent

Aventurine feldspar and Ruby Optic Character

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

Aventurine feldspar and Ruby Transparency

Similar to their colors, Aventurine feldspar 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, Aventurine feldspar is while Aventurine feldspar is in appearance.