Cat s Eye and Pyrite Optical Properties

Cat s Eye

Pyrite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

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

1.744-1.755Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

OpaqueHerve Nicolas Lazzarelli

Cat s Eye and Pyrite Optic Character

Cat s Eye and Pyrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cat s Eye 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 Cat s Eye 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

Cat s Eye Vs Mystic topaz

Cat s Eye Vs London blue topaz

Cat s Eye Vs White topaz

Cat s Eye and Pyrite Transparency

Similar to their colors, Cat s Eye 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, Cat s Eye is Translucent while Cat s Eye is Translucent in appearance.