Carnelian and Boulder Opal Optical Properties

Carnelian

Boulder Opal

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Translucent, Transparent to nearly opaque

Transparent, Translucent

1.5 Refractive Index

1.535-1.5391.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.003-0.009Not Available

0 0.296

1.9 Clarity

Translucent

Transparent

Carnelian and Boulder Opal Optic Character

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

Carnelian Vs Kunzite

Carnelian Vs Quartz

» More

More Compare Gems for Taurus

Carnelian and Boulder Opal Transparency

Similar to their colors, Carnelian and Boulder Opal 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.