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Jacobsite
Jacobsite

Erythrite
Erythrite



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Jacobsite
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Erythrite

Jacobsite and Erythrite Optical Properties

Optical Properties

Luster

-
Subadamantine, Pearly

Pleochroism

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

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

-99991.626-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
-

Jacobsite and Erythrite Optic Character

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

Jacobsite and Erythrite Transparency

Similar to their colors, Jacobsite 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, Jacobsite is Translucent while Jacobsite is Translucent in appearance.