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Liddicoatite
Liddicoatite

Montebrasite
Montebrasite



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Liddicoatite
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Montebrasite

Liddicoatite and Montebrasite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Strong: dark brown light brownAnthony et al
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
TransparentWalter Schumann

Refractive Index

-99991.578-1.646
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.020-0.030
0 0.296
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Clarity

Transparent
TransparentWalter Schumann

Liddicoatite and Montebrasite Optic Character

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

Similar to their colors, Liddicoatite and Montebrasite 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.