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Povondraite
Povondraite

Star Sapphire
Star Sapphire



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Povondraite
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Star Sapphire

Povondraite and Star Sapphire Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Not Available
1.2 Pleochroism
Strong: yellow-brown
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
Not Available1.758-1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Povondraite and Star Sapphire Optic Character

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

Similar to their colors, Povondraite and Star Sapphire 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.