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Liddicoatite and Norbergite Optical Properties


Norbergite and Liddicoatite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Strong: dark brown light brownAnthony et al   
Pale yellow very pale yellow colorlessAnthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent   

Refractive Index
Not Available   
1.563-1.593   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent   

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Liddicoatite and Norbergite Optic Character

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

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Liddicoatite and Norbergite Transparency

Similar to their colors, Liddicoatite and Norbergite 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.

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