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Liddicoatite
Liddicoatite

Pearl
Pearl



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Liddicoatite
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Pearl

Liddicoatite and Pearl Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Strong: dark brown light brownAnthony et al
0.01
Transparent
-9999
-
-
-9999
Transparent
 
Pearly
-
0.03
Translucent, Opaque
1.52-1.66
-
Orthorhombic
0.156
Translucent

Liddicoatite and Pearl Optic Character

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

Similar to their colors, Liddicoatite and Pearl 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 while Liddicoatite is in appearance.