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Vesuvianite and Clinochlore Optical Properties


Clinochlore and Vesuvianite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Pearly, Greasy   

Pleochroism
slight in colored varieties   
Distinct: light yellow-green to light bluE   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.703-1.752   
1.571-1.597   

Optic Character
Not Available   
Biaxial/+   

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

Birefringence
0.004-0.006   
Not Available   

Clarity
Not Available   
Transparent   

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Vesuvianite and Clinochlore Optic Character

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

Similar to their colors, Vesuvianite 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, Vesuvianite is Not Available while Vesuvianite is Not Available in appearance.

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