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Diaspore
Diaspore

Neptunite
Neptunite



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Diaspore
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Neptunite

Diaspore and Neptunite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
Strong
x=yellow-orange
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.702-1.7501.692-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.0480.0294-0.0452
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Diaspore and Neptunite Optic Character

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

Diaspore and Neptunite Transparency

Similar to their colors, Diaspore 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, Diaspore is Transparent while Diaspore is Transparent in appearance.