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Legrandite
Legrandite

Anhydrite
Anhydrite



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Legrandite
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Anhydrite

Legrandite and Anhydrite Optical Properties

Optical Properties

Luster

Vitreous
Pearly, Greasy

Pleochroism

Colorless
For violet varieties

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.702-1.7401.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0600.042-0.044
0 0.296
👆🏻

Clarity

-
Transparent

Legrandite and Anhydrite Optic Character

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

Similar to their colors, Legrandite and Anhydrite 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.