Anhydrite and Enstatite Optical Properties

Anhydrite

Enstatite

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1 Optical Properties

1.1 Luster

Pearly, Greasy

Vitreous, Pearly

1.2 Pleochroism

For violet varieties

Pale green to pale orange

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.570-1.6141.650-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.042-0.0440.009-0.011

0 0.296

1.9 Clarity

Transparent

Anhydrite and Enstatite Optic Character

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

Similar to their colors, Anhydrite and Enstatite 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.