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Cancrinite and Agate Optical Properties


Agate and Cancrinite Optical Properties


Optical Properties

Luster
Vitreous, Greasy, Pearly   
Vitreous   

Pleochroism
Not Available   
Absent   

Dispersion
Not Available   
None   

Transparency
Transparent   
Translucent   

Refractive Index
1.491-1.524   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Trigonal   

Birefringence
0.012-0.025   
0.004   

Clarity
Transparent   
Translucent   

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Cancrinite and Agate Optic Character

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

Similar to their colors, Cancrinite and Agate 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, Cancrinite is Transparent while Cancrinite is Transparent in appearance.

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