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Chalcopyrite
Chalcopyrite

Cryolite
Cryolite



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Chalcopyrite
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Cryolite

Chalcopyrite and Cryolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy, Pearly
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
Not Available0.001
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
TransparentUlrich Henn and Claudio C. Milisenda

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.

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.