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Monazite
Monazite

Lepidocrocite
Lepidocrocite



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X
Monazite
X
Lepidocrocite

Monazite and Lepidocrocite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.796-1.8411.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.045-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Monazite and Lepidocrocite Optic Character

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

Monazite and Lepidocrocite Transparency

Similar to their colors, Monazite 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, Monazite is while Monazite is in appearance.