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Pezzottaite and Apophyllite KF Optical Properties


Apophyllite KF and Pezzottaite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Moderate dichroic   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.598-1.620   
1.530-1.536   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
tetragonal   

Birefringence
0.008-0.011   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Pezzottaite and Apophyllite KF Optic Character

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

Similar to their colors, Pezzottaite and Apophyllite KF 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.

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