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Legrandite
Legrandite

Feldspar
Feldspar



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Legrandite
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Feldspar

Legrandite and Feldspar Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Colorless
None

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.702-1.7401.518-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic or monoclinic

Birefringence

0.0600.008-0.010
0 0.296
👆🏻

Clarity

-
Transparent

Legrandite and Feldspar Optic Character

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

Legrandite and Feldspar Transparency

Similar to their colors, Legrandite and Feldspar 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, Legrandite is while Legrandite is in appearance.