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Neptunite
Neptunite

Pyromorphite
Pyromorphite



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Neptunite
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Pyromorphite

Neptunite and Pyromorphite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous, Subadamantine
1.2 Pleochroism
x=yellow-orange
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.692-1.7342.042-2.059
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.0294-0.04520.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Neptunite and Pyromorphite Optic Character

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

Neptunite and Pyromorphite Transparency

Similar to their colors, Neptunite and Pyromorphite 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, Neptunite is Translucent while Neptunite is Translucent in appearance.