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Halite and Astrophyllite Optical Properties


Astrophyllite and Halite Optical Properties


Optical Properties

Luster
Vitreous   
Greasy, Pearly   

Pleochroism
Not Available   
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Translucent   

Refractive Index
1.544   
1.678-1.758   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Triclinic   

Birefringence
Not Available   
0.050   

Clarity
Not Available   
Translucent   

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<< Physical Properties

Halite and Astrophyllite Optic Character

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

Similar to their colors, Halite and Astrophyllite 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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