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Erythrite
Erythrite

Liddicoatite
Liddicoatite



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Erythrite
X
Liddicoatite

Erythrite and Liddicoatite 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

0.030.01
0.005 1
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Transparency

-
Transparent

Refractive Index

1.626-1.629-9999
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-9999-9999
0 0.296
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Clarity

-
Transparent

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.

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 while Erythrite is in appearance.