Indicolite Blue Tourmaline and Rubellite Tourmaline Optical Properties

Indicolite Blue Tourmaline

Rubellite Tourmaline

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Strong: dark blue light blueWalter Schumann

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Opaque

1.5 Refractive Index

1.614-1.666Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Isometric

1.8 Birefringence

0.014-0.040Not Available

0 0.296

1.9 Clarity

Transparent

Opaque

Indicolite Blue Tourmaline and Rubellite Tourmaline Optic Character

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

Similar to their colors, Indicolite Blue Tourmaline 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, Indicolite Blue Tourmaline is Translucent and Transparent while Indicolite Blue Tourmaline is Translucent and Transparent in appearance.