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Pezzottaite and Phosphophyllite Optical Properties


Phosphophyllite and Pezzottaite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Moderate dichroic   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.598-1.620   
1.595-1.621   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Not Available   

Birefringence
0.008-0.011   
0.021   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Pezzottaite and Phosphophyllite Optic Character

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

Similar to their colors, Pezzottaite and Phosphophyllite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.

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