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Tantalite and Peridot Optical Properties


Peridot and Tantalite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous, Greasy   

Pleochroism
Not Available   
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
18

Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   
Transparent   

Refractive Index
2.190-2.457   
1.64-1.69   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.083   
0.036   

Clarity
TransparentWalter Schumann   
Transparent   

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Tantalite and Peridot Optic Character

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

Similar to their colors, Tantalite and Peridot 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.

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