Cat s Eye and Mottramite Optical Properties

Cat s Eye

Mottramite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Greasy

1.2 Pleochroism

Not Available

Visible X=Y= canary yellow to greenish yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.744-1.7552.170

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

Not Available0.150

0 0.296

1.9 Clarity

Translucent

Not Available

Cat s Eye and Mottramite Optic Character

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

Cat s Eye Vs White topaz

Cat s Eye Vs Mystic topaz

Cat s Eye and Mottramite Transparency

Similar to their colors, Cat s Eye and Mottramite 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.