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Axinite
Axinite

Nepouite
Nepouite



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Axinite
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Nepouite

Axinite and Nepouite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Waxy, Pearly
1.2 Pleochroism
Strong
Weak
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.656-1.7041.600-1.630
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.009-0.012Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Axinite and Nepouite Optic Character

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

Axinite and Nepouite Transparency

Similar to their colors, Axinite 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, Axinite is Gemmological Tables (2004) More from other references while Axinite is Gemmological Tables (2004) More from other references in appearance.