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Chalcedony
Chalcedony

Pyrargyrite
Pyrargyrite



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Chalcedony
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Pyrargyrite

Chalcedony and Pyrargyrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Distinct
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Translucent to opaque
Translucent
1.5 Refractive Index
1.530-1.543
2.881-3.084
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.003-0.009
0.203
1.9 Clarity
Translucent
Translucent

Chalcedony and Pyrargyrite Optic Character

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

Chalcedony and Pyrargyrite Transparency

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