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Liddicoatite
Liddicoatite

Augelite
Augelite



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Liddicoatite
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Augelite

Liddicoatite and Augelite 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
-
0.02
-
1.570-1.591
-
-
0.020-0.021
TransparentUlrich Henn and Claudio C. Milisenda

Liddicoatite and Augelite Optic Character

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

Similar to their colors, Liddicoatite and Augelite 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.