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Chlorastrolite and Dallasite Optical Properties


Dallasite and Chlorastrolite Optical Properties


Optical Properties

Luster
Chatoyant   
Not Available   

Pleochroism
NilArthur Thomas   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Not Available   

Refractive Index
1.7   
1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.010   
0.008-0.010   

Clarity
Gems   
Not Available   

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Chlorastrolite and Dallasite Optic Character

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

Similar to their colors, Chlorastrolite and Dallasite 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, Chlorastrolite is Gems while Chlorastrolite is Gems in appearance.

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