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Povondraite
Povondraite

Afghanite
Afghanite



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Povondraite
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Afghanite

Povondraite and Afghanite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
Strong: yellow-brown
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Gemstones (2009)
1.5 Refractive Index
Not Available1.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.006
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Povondraite and Afghanite Optic Character

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

Similar to their colors, Povondraite and Afghanite 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.