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Cavansite and Bowenite Optical Properties


Bowenite and Cavansite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Waxy, Silky, Resinous, Greasy   

Pleochroism
Visible: X=Z= colorless Y= blue   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)   

Refractive Index
1.542   
1.530-1.575   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.009   
Not Available   

Clarity
Not Available   
TranslucentHerve Nicolas Lazzarelli   

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Cavansite and Bowenite Optic Character

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

Similar to their colors, Cavansite 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, Cavansite is Not Available while Cavansite is Not Available in appearance.

Blue Gemstones

Blue Gemstones


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