×

Poldervaartite
Poldervaartite

Neptunite
Neptunite



ADD
Compare
X
Poldervaartite
X
Neptunite

Poldervaartite and Neptunite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
x=yellow-orange
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.634-1.6561.692-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.0294-0.0452
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Poldervaartite and Neptunite Optic Character

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

Poldervaartite and Neptunite Transparency

Similar to their colors, Poldervaartite and Neptunite 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.