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Gedrite
Gedrite

Erythrite
Erythrite



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Gedrite
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Erythrite

Gedrite and Erythrite Optical Properties

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Optical Properties

Luster

Vitreous
Subadamantine, Pearly

Pleochroism

Weak to moderate
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.625-1.7181.626-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
monoclinic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Gedrite and Erythrite Optic Character

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

Gedrite and Erythrite Transparency

Similar to their colors, Gedrite and Erythrite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.