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Chrome Tourmaline
Chrome Tourmaline
☒

Nepouite
Nepouite
☒



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Chrome Tourmaline
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Nepouite

Chrome Tourmaline and Nepouite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent, Translucent
1.614-1.666
-
Hexagonal
0.014-0.040
Transparent
 
Waxy, Pearly
Weak
0.03
-
1.600-1.630
-
Orthorhombic
-9999
-

Chrome Tourmaline and Nepouite Optic Character

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

Chrome Tourmaline and Nepouite Transparency

Similar to their colors, Chrome Tourmaline 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, Chrome Tourmaline is while Chrome Tourmaline is in appearance.