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Tantalite
Tantalite

Bixbite
Bixbite



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Tantalite
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Bixbite

Tantalite and Bixbite Optical Properties

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1 Optical Properties
1.1 Luster
Resinous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
1.5 Refractive Index
2.190-2.457Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.083Not Available
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Not Available

Tantalite and Bixbite Optic Character

Tantalite and Bixbite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Tantalite and Bixbite 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 Tantalite and Bixbite 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.

Tantalite and Bixbite Transparency

Similar to their colors, Tantalite and Bixbite 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, Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Tantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.