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Povondraite
Povondraite

Chalcedony
Chalcedony



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Povondraite
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Chalcedony

Povondraite and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
Strong: yellow-brown
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
Not Available1.530-1.543
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
Translucent
Translucent

Povondraite and Chalcedony Optic Character

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

Povondraite and Chalcedony Transparency

Similar to their colors, Povondraite 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, Povondraite is Translucent while Povondraite is Translucent in appearance.