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Fibrolite
Fibrolite

Jet
Jet



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Fibrolite
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Jet

Fibrolite and Jet Optical Properties

Jet
Jet
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1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
DistinctArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.658-1.6781.640-1.680
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Amorphous
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Fibrolite and Jet Optic Character

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

Fibrolite and Jet Transparency

Similar to their colors, Fibrolite and Jet 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, Fibrolite is Transparent while Fibrolite is Transparent in appearance.