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Nepouite
Nepouite

Andesine
Andesine



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Nepouite
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Andesine

Nepouite and Andesine Optical Properties

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1 Optical Properties
1.1 Luster
Waxy, Pearly
Vitreous
1.2 Pleochroism
Weak
colorless.
1.3 Dispersion
NA0.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.600-1.6301.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
Not Available0.007-0.011
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Nepouite and Andesine Optic Character

Nepouite and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nepouite and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Nepouite and Andesine Transparency

Similar to their colors, Nepouite and Andesine 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.