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Zinnwaldite
Zinnwaldite

Nepouite
Nepouite



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Zinnwaldite
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Nepouite

Zinnwaldite and Nepouite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Vitreous
Waxy, Pearly
1.2 Pleochroism
Distinct
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.565-1.6251.600-1.630
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.040-0.050Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Zinnwaldite and Nepouite Optic Character

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

Zinnwaldite and Nepouite Transparency

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