Indicolite Blue Tourmaline and Hibonite Optical Properties

Indicolite Blue Tourmaline

Hibonite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Strong: dark blue light blueWalter Schumann

O = brownish gray; E = gray

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Handbook of mineralogy (2001)

1.5 Refractive Index

1.614-1.6661.79-1.807

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

0.014-0.040Not Available

0 0.296

1.9 Clarity

Transparent

Handbook of mineralogy (2001)

Indicolite Blue Tourmaline and Hibonite Optic Character

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

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