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Adamite and Pyrophyllite Optical Properties


Pyrophyllite and Adamite Optical Properties


Optical Properties

Luster
Vitreous   
Pearly   

Pleochroism
NilArthur Thomas   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.708-1.722   
1.534-1.601   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.031-0.050   
0.050   

Clarity
Transparent   
Translucent   

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Adamite and Pyrophyllite Optic Character

Adamite and Pyrophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite and Pyrophyllite 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 Adamite and Pyrophyllite 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. Adamite has Biaxial/+ character.

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Adamite and Pyrophyllite Transparency

Similar to their colors, Adamite and Pyrophyllite 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, Adamite is Transparent while Adamite is Transparent in appearance.

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