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Liddicoatite
Liddicoatite

Phlogopite
Phlogopite



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Liddicoatite
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Phlogopite

Liddicoatite and Phlogopite Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Strong: dark brown light brownAnthony et al
-

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

-99991.530-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.0280-0.0450
0 0.296
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Clarity

Transparent
-

Liddicoatite and Phlogopite Optic Character

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

Similar to their colors, Liddicoatite and Phlogopite 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.