Carnelian and Jet Optical Properties

Carnelian

Jet

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Translucent, Transparent to nearly opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.535-1.5391.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Amorphous

1.8 Birefringence

0.003-0.009Not Available

0 0.296

1.9 Clarity

Translucent

Gemmological Tables (2004) More from other references

Carnelian and Jet Optic Character

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

Compare Gems for Taurus » More

Carnelian Vs Kunzite

Carnelian Vs Prasiolite

Carnelian Vs Quartz

» More

More Compare Gems for Taurus

Carnelian and Jet Transparency

Similar to their colors, Carnelian 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.