Ekanite and Zoisite Optical Properties

Ekanite

Zoisite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

1.5 Refractive Index

1.593-1.5961.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422

Orthorhombic

1.8 Birefringence

0.0010.006-0.018

0 0.296

1.9 Clarity

Transparent

Ekanite and Zoisite Optic Character

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

Similar to their colors, Ekanite and Zoisite 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, Ekanite is Transparent while Ekanite is Transparent in appearance.