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Povondraite
Povondraite

Jet
Jet



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Povondraite
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Jet

Povondraite and Jet Optical Properties

Jet
Jet
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1 Optical Properties
1.1 Luster
Resinous
Waxy
1.2 Pleochroism
Strong: yellow-brown
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.640-1.680
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Amorphous
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Povondraite and Jet Optic Character

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

Similar to their colors, Povondraite and Jet 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.