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Jet lignite
Jet lignite

Omphacite
Omphacite



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Jet lignite
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Omphacite

Jet lignite and Omphacite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak: colorless -- very pale green -- very pale green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
Not Available1.662-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentAnthony et al

Jet lignite and Omphacite Optic Character

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

Similar to their colors, Jet lignite and Omphacite 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.