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Halite and Apophyllite Optical Properties


Apophyllite and Halite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Not Available   
Dichroic (colorless)   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.544   
1.530-1.543   

Optic Character
Not Available   
Uniaxial/-   

Crystal System
cubic   
tetragonal   

Birefringence
Not Available   
0.000-0.003   

Clarity
Not Available   
Transparent   

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Halite and Apophyllite Optic Character

Halite and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Halite and Apophyllite 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 Halite and Apophyllite 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. Apophyllite has Uniaxial/- character.

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Halite and Apophyllite Transparency

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

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