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Hexagonite and Hureaulite Optical Properties


Hureaulite and Hexagonite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
bluish–red   
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent   

Refractive Index
1.599-1.637   
1.647-1.667   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   

Birefringence
0.019-0.028   
0.012   

Clarity
Transparent   
Transparent   

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Hexagonite and Hureaulite Optic Character

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

Similar to their colors, Hexagonite 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, Hexagonite is Transparent while Hexagonite is Transparent in appearance.

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