Ekanite and Norbergite Optical Properties

Ekanite

Norbergite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Pale yellow very pale yellow colorlessAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.593-1.5961.563-1.593

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

Not Available

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

Transparent

Ekanite and Norbergite Optic Character

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

Similar to their colors, Ekanite and Norbergite 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.