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Erythrite and Liddicoatite Optical Properties


Liddicoatite and Erythrite Optical Properties


Optical Properties

Luster
Subadamantine, Pearly   
Vitreous   

Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red   
Strong: dark brown light brownAnthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.626-1.629   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

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Erythrite and Liddicoatite Optic Character

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

Similar to their colors, Erythrite and Liddicoatite 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, Erythrite is Not Available while Erythrite is Not Available in appearance.

Red Gemstones

Red Gemstones


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