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Pyrargyrite
Pyrargyrite

Unakite
Unakite



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Pyrargyrite
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Unakite

Pyrargyrite and Unakite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Distinct
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemstones of the world (2001)
1.5 Refractive Index
2.881-3.0841.525
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.203Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gemstones of the world (2001)

Pyrargyrite and Unakite Optic Character

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

Similar to their colors, Pyrargyrite and Unakite 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.