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Pezzottaite
Pezzottaite

Phlogopite
Phlogopite



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Pezzottaite
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Phlogopite

Pezzottaite and Phlogopite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
Moderate dichroic
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.598-1.6201.530-1.573
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.008-0.0110.0280-0.0450
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Pezzottaite and Phlogopite Optic Character

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

Similar to their colors, Pezzottaite and Phlogopite 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.