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Eosphorite
Eosphorite

Umbalite
Umbalite



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Eosphorite
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Umbalite

Eosphorite and Umbalite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
TransparentGemdat.org

Refractive Index

1.639-1.6721.730-1.820
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.029-0.032-9999
0 0.296
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Clarity

Transparent
TransparentGemdat.org

Eosphorite and Umbalite Optic Character

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

Eosphorite and Umbalite Transparency

Similar to their colors, Eosphorite and Umbalite 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, Eosphorite is Transparent while Eosphorite is Transparent in appearance.