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Benitoite and Chrysotile Optical Properties


Chrysotile and Benitoite Optical Properties


Optical Properties

Luster
Vitreous   
Silky   

Pleochroism
O = colorless; E = purple   
Not Available   

Dispersion
0.04   
11
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.757-1.804   
1.530-1.575   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Monoclinic : clinochrysotile (most common)   

Birefringence
0.047   
0.001   

Clarity
Transparent   
Not Available   

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Benitoite and Chrysotile Optic Character

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

Similar to their colors, Benitoite and Chrysotile 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, Benitoite is Transparent while Benitoite is Transparent in appearance.

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