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Pezzottaite
Pezzottaite

Iolite
Iolite



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Pezzottaite
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Iolite

Pezzottaite and Iolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Moderate dichroic
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.598-1.6201.52-1.56
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.008-0.011Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Pezzottaite and Iolite Optic Character

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

Similar to their colors, Pezzottaite and Iolite 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.