Anhydrite and Leucophanite Optical Properties

Anhydrite

Leucophanite

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1 Optical Properties

1.1 Luster

Pearly, Greasy

Not Available

1.2 Pleochroism

For violet varieties

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.570-1.614Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.042-0.044Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Anhydrite and Leucophanite Optic Character

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

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Anhydrite and Leucophanite Transparency

Similar to their colors, Anhydrite and Leucophanite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.