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Jet
Jet

Lawsonite
Lawsonite



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Lawsonite

Jet and Lawsonite Optical Properties

Jet
Jet
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1 Optical Properties
1.1 Luster
Waxy
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Weak
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.640-1.6801.672-1.676
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Orthorhombic
1.8 Birefringence
Not Available0.019-0.021
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Not Available

Jet and Lawsonite Optic Character

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

Similar to their colors, Jet and Lawsonite 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 is Gemmological Tables (2004) More from other references while Jet is Gemmological Tables (2004) More from other references in appearance.