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Cerussite and Astrophyllite Optical Properties


Astrophyllite and Cerussite Optical Properties


Optical Properties

Luster
Adamantine, Vitreous, Resinous   
Greasy, Pearly   

Pleochroism
AbsentWalter Schumann   
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow   

Dispersion
0.06   
8
Not Available   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.803-2.078   
1.678-1.758   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
0.273   
0.050   

Clarity
Transparent   
Translucent   

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Cerussite and Astrophyllite Optic Character

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

Similar to their colors, Cerussite 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, Cerussite is Translucent and Transparent while Cerussite is Translucent and Transparent in appearance.

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