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Piemontite
Piemontite

Verdite
Verdite



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Piemontite
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Verdite

Piemontite and Verdite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Silky
1.2 Pleochroism
visible
Extreme
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.725-1.7561.580
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
0.025-0.076Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Piemontite and Verdite Optic Character

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

Similar to their colors, Piemontite and Verdite 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.