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Beudantite and Omphacite Optical Properties


Omphacite and Beudantite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
visible   
Weak: colorless -- very pale green -- very pale green   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.957   
1.662-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.014   
Not Available   

Clarity
Not Available   
TranslucentAnthony et al   

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Beudantite and Omphacite Optic Character

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

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

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