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Legrandite
Legrandite

Liddicoatite
Liddicoatite



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Legrandite
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Liddicoatite

Legrandite and Liddicoatite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Colorless
Strong: dark brown light brownAnthony et al

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.702-1.740-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.060-9999
0 0.296
👆🏻

Clarity

-
Transparent

Legrandite and Liddicoatite Optic Character

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

Similar to their colors, Legrandite and Liddicoatite 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.