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Legrandite
Legrandite

Marialite
Marialite



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Legrandite
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Marialite

Legrandite and Marialite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Colorless
0.03
-
1.702-1.740
-
monoclinic
0.060
-
 
Vitreous, Pearly, Resinous
-
0.02
Transparent, Translucent
1.540-1.550
-
tetragonal
0.004-0.008
Transparent

Legrandite and Marialite Optic Character

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

Legrandite and Marialite Transparency

Similar to their colors, Legrandite and Marialite 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, Legrandite is while Legrandite is in appearance.