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Pyrargyrite
Pyrargyrite

Zincite
Zincite



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Pyrargyrite
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Zincite

Pyrargyrite and Zincite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Subadamantine, Resinous
1.2 Pleochroism
Distinct
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
1.5 Refractive Index
2.881-3.0842.013-2.029
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.2030.016
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentRobert C. Kammerling

Pyrargyrite and Zincite Optic Character

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

Similar to their colors, Pyrargyrite and Zincite 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.