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Tantalite and Clinochlore Optical Properties


Clinochlore and Tantalite Optical Properties


Optical Properties

Luster
Resinous   
Pearly, Greasy   

Pleochroism
Not Available   
Distinct: light yellow-green to light bluE   

Dispersion
Not Available   
Not Available   

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

Refractive Index
2.190-2.457   
1.571-1.597   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Orthorhombic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m   

Birefringence
0.083   
Not Available   

Clarity
TransparentWalter Schumann   
Transparent   

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Tantalite and Clinochlore Optic Character

Tantalite and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Tantalite and Clinochlore 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 Clinochlore 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. Clinochlore has Biaxial/+ character.

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Tantalite and Clinochlore Transparency

Similar to their colors, Tantalite and Clinochlore 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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