Ekanite and Hureaulite Optical Properties

Ekanite

Hureaulite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Greasy

1.2 Pleochroism

Not Available

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.593-1.5961.647-1.667

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

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

1.8 Birefringence

0.0010.012

0 0.296

1.9 Clarity

Transparent

Ekanite and Hureaulite Optic Character

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

Similar to their colors, Ekanite and Hureaulite 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.