×

Povondraite
Povondraite
☒

Rosasite
Rosasite
☒



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X
Povondraite
X
Rosasite

Povondraite and Rosasite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous
Strong: yellow-brown
0.02
Translucent
-9999
-
-
-9999
Translucent
 
Silky, Vitreous
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
0.03
-
1.672-1.688
-
monoclinic
0.139-0.143
-

Povondraite and Rosasite Optic Character

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

Similar to their colors, Povondraite and Rosasite 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 while Povondraite is in appearance.