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Cinnabar
Cinnabar

Chalcopyrite
Chalcopyrite



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Cinnabar
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Chalcopyrite

Cinnabar and Chalcopyrite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Handbook of mineralogy (2001)
1.5 Refractive Index
2.905-3.25Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Translucent
Handbook of mineralogy (2001)

Cinnabar and Chalcopyrite Optic Character

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

Cinnabar and Chalcopyrite Transparency

Similar to their colors, Cinnabar and Chalcopyrite 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, Cinnabar is Translucent while Cinnabar is Translucent in appearance.