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Feldspar
Feldspar

Elaeolite
Elaeolite



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Feldspar
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Elaeolite

Feldspar and Elaeolite Optical Properties

Optical Properties

Luster

Vitreous
Greasy

Pleochroism

None
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.518-1.570-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic or monoclinic
-

Birefringence

0.008-0.010-9999
0 0.296
👆🏻

Clarity

Transparent
-

Feldspar and Elaeolite Optic Character

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

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