Tourmaline Bi Color and Zinnwaldite Optical Properties

Tourmaline Bi Color

Zinnwaldite

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1 Optical Properties

1.1 Luster

Not Available

Pearly, Vitreous

1.2 Pleochroism

Not Available

Distinct

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.61-1.661.565-1.625

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.040-0.050

0 0.296

1.9 Clarity

Not Available

Tourmaline Bi Color and Zinnwaldite Optic Character

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

Similar to their colors, Tourmaline Bi Color and Zinnwaldite 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, Tourmaline Bi Color is Not Available while Tourmaline Bi Color is Not Available in appearance.