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Apache Tear and Catapleiite Optical Properties


Catapleiite and Apache Tear Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)   

Refractive Index
Not Available   
1.590-1.629   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)   

Birefringence
Not Available   
0.039   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Apache Tear and Catapleiite Optic Character

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

Similar to their colors, Apache Tear and Catapleiite 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, Apache Tear is Not Available while Apache Tear is Not Available in appearance.

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