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Hureaulite and Glaucophane Optical Properties


Glaucophane and Hureaulite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Vitreous, Pearly   

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

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.647-1.667   
1.606-1.637   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.012   
Not Available   

Clarity
Transparent   
Not Available   

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Hureaulite and Glaucophane Optic Character

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

Similar to their colors, Hureaulite and Glaucophane 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, Hureaulite is Transparent while Hureaulite is Transparent in appearance.

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