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Jet lignite
Jet lignite

Pezzottaite
Pezzottaite



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Jet lignite
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Pezzottaite

Jet lignite and Pezzottaite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Moderate dichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.598-1.620
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.008-0.011
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Jet lignite and Pezzottaite Optic Character

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

Jet lignite and Pezzottaite Transparency

Similar to their colors, Jet lignite and Pezzottaite 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, Jet lignite is Not Available while Jet lignite is Not Available in appearance.