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Pyrargyrite
Pyrargyrite

Blue John
Blue John



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Pyrargyrite
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Blue John

Pyrargyrite and Blue John 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
Transparent
1.5 Refractive Index
2.881-3.0841.432-1.436
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.203Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pyrargyrite and Blue John Optic Character

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

Similar to their colors, Pyrargyrite and Blue John 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.