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Turquoise and Bowenite Optical Properties


Bowenite and Turquoise Optical Properties


Optical Properties

Luster
Waxy   
Waxy, Silky, Resinous, Greasy   

Pleochroism
Weak   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent, Opaque   
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)   

Refractive Index
1.610-1.650   
1.530-1.575   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.040   
Not Available   

Clarity
Translucent   
TranslucentHerve Nicolas Lazzarelli   

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Turquoise and Bowenite Optic Character

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

Similar to their colors, Turquoise and Bowenite 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.

Semi Precious

Semi Precious


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