Verdite and Rubellite Tourmaline Optical Properties

Verdite

Rubellite Tourmaline

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1 Optical Properties

1.1 Luster

Vitreous, Silky

Not Available

1.2 Pleochroism

Extreme

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Opaque

1.5 Refractive Index

1.580Not Available

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

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

Opaque

Verdite and Rubellite Tourmaline Optic Character

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

Similar to their colors, Verdite and Rubellite Tourmaline 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.