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Tantalite
Tantalite

Xenotime
Xenotime



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Tantalite
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Xenotime

Tantalite and Xenotime Optical Properties

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
Gemmological Tables (2004)
1.5 Refractive Index
2.190-2.4571.720-1.827
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0830.095
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Gemmological Tables (2004)

Tantalite and Xenotime Optic Character

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

Similar to their colors, Tantalite and Xenotime 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.