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Nepouite
Nepouite

Mottramite
Mottramite



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Nepouite
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Mottramite

Nepouite and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Pearly
Greasy
1.2 Pleochroism
Weak
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.600-1.6302.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
Not Available0.150
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Nepouite and Mottramite Optic Character

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

Nepouite and Mottramite Transparency

Similar to their colors, Nepouite and Mottramite 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, Nepouite is Not Available while Nepouite is Not Available in appearance.