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Monazite
Monazite

Willemite
Willemite



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Monazite
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Willemite

Monazite and Willemite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.796-1.8411.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.0450.028-0.030
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Monazite and Willemite Optic Character

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

Similar to their colors, Monazite and Willemite 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.