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Chalcopyrite and Manganotantalite Optical Properties


Manganotantalite and Chalcopyrite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
AbsentWalter Schumann   
Sometimes strongArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Handbook of mineralogy (2001)   
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
Not Available   
2.19-2.34   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Not Available   

Birefringence
Not Available   
0.015   

Clarity
Handbook of mineralogy (2001)   
TransparentWalter Schumann   

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Chalcopyrite and Manganotantalite Optic Character

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

Similar to their colors, Chalcopyrite and Manganotantalite 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, Chalcopyrite is Handbook of mineralogy (2001) while Chalcopyrite is Handbook of mineralogy (2001) in appearance.

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