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Tourmaline Bi Color and Stibiotantalite Optical Properties


Stibiotantalite and Tourmaline Bi Color Optical Properties


Optical Properties

Luster
Not Available   
Adamantine   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.61-1.66   
2.37-2.45   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.08   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Tourmaline Bi Color and Stibiotantalite Optic Character

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

Similar to their colors, Tourmaline Bi Color and Stibiotantalite 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.

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