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Pezzottaite
Pezzottaite

Eudialyte
Eudialyte



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Pezzottaite
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Eudialyte

Pezzottaite and Eudialyte Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Moderate dichroic
0.02
Transparent
1.598-1.620
-
Hexagonal
0.008-0.011
Transparent
 
Vitreous
Weak: O= colorless
0.01
Translucent
1.591-1.633
-
Trigonal
0.003-0.010
Translucent

Pezzottaite and Eudialyte Optic Character

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

Pezzottaite and Eudialyte Transparency

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