Indicolite Blue Tourmaline and Andradite Optical Properties

Indicolite Blue Tourmaline

Andradite

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1 Optical Properties

1.1 Luster

Not Available

Adamantine, Resinous

1.2 Pleochroism

Strong: dark blue light blueWalter Schumann

Not Available

1.3 Dispersion

0.020.06

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.614-1.6661.88-1.94

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

cubic

1.8 Birefringence

0.014-0.0400.057

0 0.296

1.9 Clarity

Transparent

Indicolite Blue Tourmaline and Andradite Optic Character

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

Similar to their colors, Indicolite Blue Tourmaline and Andradite 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.