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Liddicoatite
Liddicoatite

Feldspar
Feldspar



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Liddicoatite
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Feldspar

Liddicoatite and Feldspar Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Strong: dark brown light brownAnthony et al
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

-99991.518-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic or monoclinic

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Liddicoatite and Feldspar Optic Character

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

Liddicoatite and Feldspar Transparency

Similar to their colors, Liddicoatite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.