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Microcline and Tantalite Optical Properties


Tantalite and Microcline Optical Properties


Optical Properties

Luster
Vitreous   
Resinous   

Pleochroism
WeakMichael O’Donoghue   
Not Available   

Dispersion
Not Available   
Not Available   

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

Refractive Index
1.514-1.539   
2.190-2.457   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1   
Orthorhombic   

Birefringence
0.008-0.010   
0.083   

Clarity
Translucent   
TransparentWalter Schumann   

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Microcline and Tantalite Optic Character

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

Similar to their colors, Microcline and Tantalite 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, Microcline is Translucent while Microcline is Translucent in appearance.

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