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Tantalite
Tantalite

Riesling Beryl
Riesling Beryl



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Tantalite
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Riesling Beryl

Tantalite and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Not Available
1.2 Pleochroism
Not Available
Strongly dichroicMartin H. Read
1.3 Dispersion
NA0.01
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
2.190-2.4571.59
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0830.004-0.010
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Not Available

Tantalite and Riesling Beryl Optic Character

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

Similar to their colors, Tantalite and Riesling Beryl 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.