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Tantalite
Tantalite

Turquoise
Turquoise



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Tantalite
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Turquoise

Tantalite and Turquoise Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Waxy
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent, Opaque
1.5 Refractive Index
2.190-2.4571.610-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.0830.040
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Translucent

Tantalite and Turquoise Optic Character

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

Similar to their colors, Tantalite and Turquoise 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.