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Apophyllite KF and Opal Optical Properties


Opal and Apophyllite KF Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
Not Available   
None   

Dispersion
Not Available   
None   

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.530-1.536   
1.37-1.52   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

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<< Physical Properties

Apophyllite KF and Opal Optic Character

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

Similar to their colors, Apophyllite KF and Opal 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, Apophyllite KF is Not Available while Apophyllite KF is Not Available in appearance.

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