Verdite and Poldervaartite Optical Properties

Verdite

Poldervaartite

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1 Optical Properties

1.1 Luster

Vitreous, Silky

Vitreous

1.2 Pleochroism

Extreme

Weak: colorless light gray bluish grayAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.5801.634-1.656

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

Transparent

Verdite and Poldervaartite Optic Character

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

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Verdite and Poldervaartite Transparency

Similar to their colors, Verdite and Poldervaartite 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, Verdite is Translucent while Verdite is Translucent in appearance.