Sardonyx and Pyrite Optical Properties

Sardonyx

Pyrite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Translucent

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

1.5 Refractive Index

1.530-1.543Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Isometric

1.8 Birefringence

0.008-0.010Not Available

0 0.296

1.9 Clarity

Translucent

OpaqueHerve Nicolas Lazzarelli

Sardonyx and Pyrite Optic Character

Sardonyx and Pyrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sardonyx and Pyrite 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 Sardonyx and Pyrite 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 Blue Gemstones

Sardonyx Vs Spinel

Sardonyx Vs Sodalite

Sardonyx Vs Star Ruby

Sardonyx and Pyrite Transparency

Similar to their colors, Sardonyx and Pyrite 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, Sardonyx is Translucent while Sardonyx is Translucent in appearance.