Hexagonite and Tourmaline Bi Color Optical Properties

Hexagonite

Tourmaline Bi Color

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

bluish–red

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.599-1.6371.61-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.019-0.028Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Hexagonite and Tourmaline Bi Color Optic Character

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

Similar to their colors, Hexagonite and Tourmaline Bi Color 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, Hexagonite is Transparent while Hexagonite is Transparent in appearance.