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Coral and Apache Tear Optical Properties


Apache Tear and Coral Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
1.486-1.658   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Amorphous   

Birefringence
0.160-0.172   
Not Available   

Clarity
Translucent   
Not Available   

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<< Physical Properties

Coral and Apache Tear Optic Character

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

Similar to their colors, Coral and Apache Tear 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, Coral is Translucent while Coral is Translucent in appearance.

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