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Chalcopyrite and Cryolite Optical Properties


Cryolite and Chalcopyrite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Greasy, Pearly   

Pleochroism
AbsentWalter Schumann   
colorless.   

Dispersion
Not Available   
Not Available   

Transparency
Handbook of mineralogy (2001)   
Gemmological Tables (2004) More from other references   

Refractive Index
Not Available   
1.338-1.339   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
monoclinic   

Birefringence
Not Available   
0.001   

Clarity
Handbook of mineralogy (2001)   
TransparentUlrich Henn and Claudio C. Milisenda   

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Chalcopyrite and Cryolite Optic Character

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

Similar to their colors, Chalcopyrite and Cryolite 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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