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Antigorite and Charlesite Optical Properties


Charlesite and Antigorite Optical Properties


Optical Properties

Luster
Waxy, Silky, Resinous, Greasy   
Vitreous   

Pleochroism
pale greenish yellow.   
Nearly colorless to pale golden yellow   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
1.530-1.575   
1.492   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
Translucent   
Not Available   

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Antigorite and Charlesite Optic Character

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

Similar to their colors, Antigorite and Charlesite 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, Antigorite is Translucent while Antigorite is Translucent in appearance.

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