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Pyrargyrite
Pyrargyrite

Cuprite
Cuprite



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Pyrargyrite
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Cuprite

Pyrargyrite and Cuprite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Adamantine
1.2 Pleochroism
Distinct
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TranslucentWalter Schumann
1.5 Refractive Index
2.881-3.0842.849
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
cubic
1.8 Birefringence
0.203Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TranslucentWalter Schumann

Pyrargyrite and Cuprite Optic Character

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

Pyrargyrite and Cuprite Transparency

Similar to their colors, Pyrargyrite and Cuprite 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, Pyrargyrite is Translucent while Pyrargyrite is Translucent in appearance.