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Liddicoatite
Liddicoatite

Plumbogummite
Plumbogummite



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Liddicoatite
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Plumbogummite

Liddicoatite and Plumbogummite Optical Properties

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

Strong: dark brown light brownAnthony et al
None

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

-99991.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Liddicoatite and Plumbogummite Optic Character

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

Similar to their colors, Liddicoatite and Plumbogummite 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.