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Paraiba
Paraiba

Chalcedony
Chalcedony



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Paraiba
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Chalcedony

Paraiba and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Translucent to opaque
1.5 Refractive Index
1.618-1.6431.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Paraiba and Chalcedony Optic Character

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

Paraiba and Chalcedony Transparency

Similar to their colors, Paraiba 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, Paraiba is Not Available while Paraiba is Not Available in appearance.