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Hessonite
Hessonite

Lepidocrocite
Lepidocrocite



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X
Hessonite
X
Lepidocrocite

Hessonite and Lepidocrocite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
Strong; X = colorless to yellow; Y = orange

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.742-1.7481.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Hessonite and Lepidocrocite Optic Character

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

Hessonite and Lepidocrocite Transparency

Similar to their colors, Hessonite and Lepidocrocite 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, Hessonite is while Hessonite is in appearance.