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Pyrargyrite
Pyrargyrite

Chalcedony
Chalcedony



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Pyrargyrite
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Chalcedony

Pyrargyrite and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Distinct
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
2.881-3.0841.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.2030.003-0.009
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Pyrargyrite and Chalcedony Optic Character

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

Similar to their colors, Pyrargyrite and Chalcedony 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.