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Pink Opal and Astrophyllite Optical Properties


Astrophyllite and Pink Opal Optical Properties


Optical Properties

Luster
Not Available   
Greasy, Pearly   

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

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Translucent   

Refractive Index
Not Available   
1.678-1.758   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Triclinic   

Birefringence
Not Available   
0.050   

Clarity
Translucent   
Translucent   

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<< Physical Properties

Pink Opal and Astrophyllite Optic Character

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

Similar to their colors, Pink Opal 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, Pink Opal is Translucent while Pink Opal is Translucent in appearance.

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