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Piemontite
Piemontite

Nepouite
Nepouite



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Nepouite

Piemontite and Nepouite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy, Pearly
1.2 Pleochroism
visible
Weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.725-1.756
1.600-1.630
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.025-0.076
Not Available
1.9 Clarity
Not Available
Not Available

Piemontite and Nepouite Optic Character

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

Piemontite and Nepouite Transparency

Similar to their colors, Piemontite 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, Piemontite is Not Available while Piemontite is Not Available in appearance.