×

Povondraite
Povondraite

Poudretteite
Poudretteite



ADD
Compare
X
Povondraite
X
Poudretteite

Povondraite and Poudretteite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
Strong: yellow-brown
Colorless
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.511-1.532
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Povondraite and Poudretteite Optic Character

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

Similar to their colors, Povondraite and Poudretteite 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.