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Andradite
Andradite

Eosphorite
Eosphorite



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Andradite
X
Eosphorite

Andradite and Eosphorite Optical Properties

Optical Properties

Luster

Adamantine, Resinous
Vitreous, Resinous

Pleochroism

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

Dispersion

0.060.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.88-1.941.639-1.672
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

0.0570.029-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Andradite and Eosphorite Optic Character

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

Andradite and Eosphorite Transparency

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