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Jet
Jet

Chrysoprase
Chrysoprase



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Chrysoprase

Jet and Chrysoprase Optical Properties

Jet
Jet
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1 Optical Properties
1.1 Luster
Waxy
Vitreous, Vitreous, Waxy
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.640-1.6801.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Translucent

Jet and Chrysoprase Optic Character

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

Similar to their colors, Jet and Chrysoprase 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.