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Bowenite and Omphacite Optical Properties


Omphacite and Bowenite Optical Properties


Optical Properties

Luster
Waxy, Silky, Resinous, Greasy   
Vitreous   

Pleochroism
Not Available   
Weak: colorless -- very pale green -- very pale green   

Dispersion
Not Available   
Not Available   

Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.530-1.575   
1.662-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
TranslucentHerve Nicolas Lazzarelli   
TranslucentAnthony et al   

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Bowenite and Omphacite Optic Character

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

Similar to their colors, Bowenite and Omphacite 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, Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.

Green Gemstones

Green Gemstones


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